Zip Code 91331
Zip Code 91331 Map
Zip Code 91331 Overview
99,804
TOTAL POPULATION
51,123
MALE POPULATION
48,681
FEMALE POPULATION
105.02
MALES / 100 FEMALES
95.22
FEMALES / 100 MALES
34.3
MEDIAN AGE
4.5
AVG FAMILY SIZE
4.3
AVG HOUSEHOLD SIZE
$22,826
PER CAPITA INCOME
$80,317
AVG FAMILY INCOME
$76,942
AVG HOUSEHOLD INCOME
20.1%
WAGE / INCOME GAP [ % ]
79.9¢/ $1
WAGE / INCOME GAP [ $ ]
$11,957
FAMILY INCOME DEFICIT
0.42
INEQUALITY / GINI INDEX
48,115
LABOR FORCE [ PEOPLE ]
61.5%
PERCENT IN LABOR FORCE
6.4%
UNEMPLOYMENT RATE
Race in Zip Code 91331
The most populous races in Zip Code 91331 are Hispanic or Latino (87,853 | 88.0%), Some other Race (36,389 | 36.5%), and White / Caucasian (33,934 | 34.0%).
| Race | # Population | % Population |
| Asian | 4,574 | 4.6% |
| Black / African American | 1,902 | 1.9% |
| Hawaiian / Pacific | 88 | 0.1% |
| Hispanic or Latino | 87,853 | 88.0% |
| Native / Alaskan | 1,007 | 1.0% |
| White / Caucasian | 33,934 | 34.0% |
| Two or more Races | 21,910 | 22.0% |
| Some other Race | 36,389 | 36.5% |
| Total | 99,804 | 100.0% |
Ancestry in Zip Code 91331
The most populous ancestries reported in Zip Code 91331 are Mexican (67,424 | 67.6%), Central American (16,946 | 17.0%), Salvadoran (11,659 | 11.7%), Guatemalan (4,164 | 4.2%), and Korean (2,503 | 2.5%), together accounting for 102.9% of all Zip Code 91331 residents.
| Ancestry | # Population | % Population |
| African | 214 | 0.2% |
| Albanian | 6 | 0.0% |
| American | 1,581 | 1.6% |
| Apache | 69 | 0.1% |
| Arab | 91 | 0.1% |
| Argentinean | 10 | 0.0% |
| Armenian | 594 | 0.6% |
| Basque | 5 | 0.0% |
| Belizean | 74 | 0.1% |
| Bhutanese | 352 | 0.4% |
| Bolivian | 40 | 0.0% |
| Brazilian | 96 | 0.1% |
| British | 64 | 0.1% |
| Burmese | 248 | 0.3% |
| Canadian | 21 | 0.0% |
| Cape Verdean | 15 | 0.0% |
| Central American | 16,946 | 17.0% |
| Central American Indian | 304 | 0.3% |
| Cherokee | 53 | 0.1% |
| Chickasaw | 10 | 0.0% |
| Chilean | 1 | 0.0% |
| Choctaw | 13 | 0.0% |
| Colombian | 168 | 0.2% |
| Costa Rican | 27 | 0.0% |
| Croatian | 44 | 0.0% |
| Cuban | 132 | 0.1% |
| Danish | 40 | 0.0% |
| Dominican | 9 | 0.0% |
| Dutch | 67 | 0.1% |
| Eastern European | 5 | 0.0% |
| Ecuadorian | 138 | 0.1% |
| Egyptian | 7 | 0.0% |
| English | 417 | 0.4% |
| European | 110 | 0.1% |
| French | 120 | 0.1% |
| German | 677 | 0.7% |
| Greek | 11 | 0.0% |
| Guamanian / Chamorro | 4 | 0.0% |
| Guatemalan | 4,164 | 4.2% |
| Honduran | 576 | 0.6% |
| Hungarian | 59 | 0.1% |
| Indian (Asian) | 346 | 0.4% |
| Iranian | 15 | 0.0% |
| Iraqi | 23 | 0.0% |
| Irish | 628 | 0.6% |
| Italian | 684 | 0.7% |
| Jamaican | 71 | 0.1% |
| Japanese | 79 | 0.1% |
| Korean | 2,503 | 2.5% |
| Laotian | 89 | 0.1% |
| Lebanese | 9 | 0.0% |
| Mexican | 67,424 | 67.6% |
| Mexican American Indian | 1,006 | 1.0% |
| Native Hawaiian | 41 | 0.0% |
| Nicaraguan | 257 | 0.3% |
| Nigerian | 6 | 0.0% |
| Northern European | 26 | 0.0% |
| Norwegian | 45 | 0.1% |
| Pakistani | 749 | 0.7% |
| Palestinian | 8 | 0.0% |
| Panamanian | 175 | 0.2% |
| Peruvian | 295 | 0.3% |
| Polish | 103 | 0.1% |
| Portuguese | 30 | 0.0% |
| Potawatomi | 7 | 0.0% |
| Puerto Rican | 502 | 0.5% |
| Romanian | 100 | 0.1% |
| Russian | 286 | 0.3% |
| Salvadoran | 11,659 | 11.7% |
| Samoan | 46 | 0.1% |
| Scandinavian | 35 | 0.0% |
| Scotch-Irish | 99 | 0.1% |
| Scottish | 38 | 0.0% |
| Slovene | 19 | 0.0% |
| Somali | 12 | 0.0% |
| South American | 695 | 0.7% |
| South American Indian | 8 | 0.0% |
| Spaniard | 147 | 0.2% |
| Spanish | 97 | 0.1% |
| Spanish American | 7 | 0.0% |
| Sri Lankan | 566 | 0.6% |
| Subsaharan African | 280 | 0.3% |
| Swedish | 30 | 0.0% |
| Swiss | 3 | 0.0% |
| Thai | 84 | 0.1% |
| Tohono O'Odham | 9 | 0.0% |
| Ukrainian | 5 | 0.0% |
| Venezuelan | 30 | 0.0% |
| Vietnamese | 208 | 0.2% |
| Welsh | 13 | 0.0% |
| West Indian | 9 | 0.0% | View All 91 Rows |
Immigrants in Zip Code 91331
The most numerous immigrant groups reported in Zip Code 91331 came from Latin America (38,352 | 38.4%), Central America (37,725 | 37.8%), Mexico (27,215 | 27.3%), El Salvador (7,336 | 7.3%), and Asia (3,954 | 4.0%), together accounting for 114.8% of all Zip Code 91331 residents.
| Immigration Origin | # Population | % Population |
| Africa | 73 | 0.1% |
| Argentina | 10 | 0.0% |
| Armenia | 731 | 0.7% |
| Asia | 3,954 | 4.0% |
| Bangladesh | 157 | 0.2% |
| Belarus | 15 | 0.0% |
| Belize | 37 | 0.0% |
| Bolivia | 5 | 0.0% |
| Brazil | 40 | 0.0% |
| Cambodia | 44 | 0.0% |
| Canada | 31 | 0.0% |
| Caribbean | 172 | 0.2% |
| Central America | 37,725 | 37.8% |
| China | 113 | 0.1% |
| Colombia | 94 | 0.1% |
| Costa Rica | 21 | 0.0% |
| Cuba | 143 | 0.1% |
| Denmark | 4 | 0.0% |
| Eastern Africa | 12 | 0.0% |
| Eastern Asia | 268 | 0.3% |
| Eastern Europe | 128 | 0.1% |
| Ecuador | 80 | 0.1% |
| Egypt | 6 | 0.0% |
| El Salvador | 7,336 | 7.3% |
| England | 7 | 0.0% |
| Europe | 203 | 0.2% |
| Fiji | 8 | 0.0% |
| France | 13 | 0.0% |
| Germany | 30 | 0.0% |
| Guatemala | 2,372 | 2.4% |
| Honduras | 505 | 0.5% |
| Hong Kong | 16 | 0.0% |
| Hungary | 28 | 0.0% |
| India | 98 | 0.1% |
| Indonesia | 114 | 0.1% |
| Iran | 84 | 0.1% |
| Iraq | 17 | 0.0% |
| Israel | 5 | 0.0% |
| Italy | 14 | 0.0% |
| Japan | 84 | 0.1% |
| Jordan | 11 | 0.0% |
| Kazakhstan | 7 | 0.0% |
| Korea | 71 | 0.1% |
| Latin America | 38,352 | 38.4% |
| Lebanon | 4 | 0.0% |
| Mexico | 27,215 | 27.3% |
| Nicaragua | 152 | 0.2% |
| Nigeria | 20 | 0.0% |
| Northern Africa | 17 | 0.0% |
| Northern Europe | 11 | 0.0% |
| Oceania | 11 | 0.0% |
| Panama | 87 | 0.1% |
| Peru | 207 | 0.2% |
| Philippines | 1,386 | 1.4% |
| Poland | 30 | 0.0% |
| Romania | 34 | 0.0% |
| Russia | 21 | 0.0% |
| Somalia | 12 | 0.0% |
| South America | 455 | 0.5% |
| South Central Asia | 407 | 0.4% |
| South Eastern Asia | 2,505 | 2.5% |
| Southern Europe | 14 | 0.0% |
| Switzerland | 7 | 0.0% |
| Syria | 6 | 0.0% |
| Taiwan | 41 | 0.0% |
| Thailand | 523 | 0.5% |
| Uzbekistan | 51 | 0.1% |
| Venezuela | 1 | 0.0% |
| Vietnam | 438 | 0.4% |
| West Indies | 29 | 0.0% |
| Western Africa | 44 | 0.0% |
| Western Asia | 774 | 0.8% |
| Western Europe | 50 | 0.1% | View All 73 Rows |
Sex and Age in Zip Code 91331
Sex and Age in Zip Code 91331
The most populous age groups in Zip Code 91331 are 20 to 24 Years (4,387 | 8.6%) for men and 25 to 29 Years (3,703 | 7.6%) for women.
| Age Bracket | Male | Female |
| Under 5 Years | 2,736 (5.3%) | 2,914 (6.0%) |
| 5 to 9 Years | 3,546 (6.9%) | 3,326 (6.8%) |
| 10 to 14 Years | 3,775 (7.4%) | 3,590 (7.4%) |
| 15 to 19 Years | 4,139 (8.1%) | 3,326 (6.8%) |
| 20 to 24 Years | 4,387 (8.6%) | 3,689 (7.6%) |
| 25 to 29 Years | 4,062 (8.0%) | 3,703 (7.6%) |
| 30 to 34 Years | 4,237 (8.3%) | 3,570 (7.3%) |
| 35 to 39 Years | 3,430 (6.7%) | 3,243 (6.7%) |
| 40 to 44 Years | 3,215 (6.3%) | 3,005 (6.2%) |
| 45 to 49 Years | 2,914 (5.7%) | 3,233 (6.6%) |
| 50 to 54 Years | 4,111 (8.0%) | 2,982 (6.1%) |
| 55 to 59 Years | 3,019 (5.9%) | 3,304 (6.8%) |
| 60 to 64 Years | 2,462 (4.8%) | 2,043 (4.2%) |
| 65 to 69 Years | 1,870 (3.7%) | 2,239 (4.6%) |
| 70 to 74 Years | 1,243 (2.4%) | 1,470 (3.0%) |
| 75 to 79 Years | 949 (1.9%) | 1,332 (2.7%) |
| 80 to 84 Years | 662 (1.3%) | 936 (1.9%) |
| 85 Years and over | 366 (0.7%) | 776 (1.6%) |
| Total | 51,123 (100.0%) | 48,681 (100.0%) |
Families and Households in Zip Code 91331
Median Family Size in Zip Code 91331
The median family size in Zip Code 91331 is 4.54 persons per family, with married-couple families (12,091 | 61.9%) accounting for the largest median family size of 4.78 persons per family. On the other hand, single male/father families (2,799 | 14.3%) represent the smallest median family size with 3.85 persons per family.
| Family Type | # Families | Family Size |
| Married-Couple | 12,091 (61.9%) | 4.78 |
| Single Male/Father | 2,799 (14.3%) | 3.85 |
| Single Female/Mother | 4,632 (23.7%) | 4.32 |
| Total Families | 19,522 (100.0%) | 4.54 |
Median Household Size in Zip Code 91331
The median household size in Zip Code 91331 is 4.31 persons per household, with married-couple households (12,091 | 52.6%) accounting for the largest median household size of 4.99 persons per household. non-family households (3,473 | 15.1%) represent the smallest median household size with 1.24 persons per household.
| Household Type | # Households | Household Size |
| Married-Couple | 12,091 (52.6%) | 4.99 |
| Single Male/Father | 2,799 (12.2%) | 4.46 |
| Single Female/Mother | 4,632 (20.1%) | 4.74 |
| Non-family | 3,473 (15.1%) | 1.24 |
| Total Households | 22,995 (100.0%) | 4.31 |
Household Size by Marriage Status in Zip Code 91331
Out of a total of 22,995 households in Zip Code 91331, 19,522 (84.9%) are family households, while 3,473 (15.1%) are nonfamily households. The most numerous type of family households are 4-person households, comprising 4,102, and the most common type of nonfamily households are 1-person households, comprising 2,976.
| Household Size | Family Households | Nonfamily Households |
| 1-Person Households | - | 2,976 (12.9%) |
| 2-Person Households | 3,247 (14.1%) | 381 (1.7%) |
| 3-Person Households | 3,328 (14.5%) | 47 (0.2%) |
| 4-Person Households | 4,102 (17.8%) | 15 (0.1%) |
| 5-Person Households | 4,015 (17.5%) | 22 (0.1%) |
| 6-Person Households | 1,846 (8.0%) | 16 (0.1%) |
| 7+ Person Households | 2,984 (13.0%) | 16 (0.1%) |
| Total | 19,522 (84.9%) | 3,473 (15.1%) |
Female Fertility in Zip Code 91331
Fertility by Age in Zip Code 91331
Average fertility rate in Zip Code 91331 is 46.0 births per 1,000 women. Women in the age bracket of 20 to 34 years have the highest fertility rate with 81.0 births per 1,000 women. Women in the age bracket of 20 to 34 years acount for 78.8% of all women with births.
| Age Bracket | Women with Births | Births / 1,000 Women |
| 15 to 19 years | 19 (1.7%) | 6.0 |
| 20 to 34 years | 887 (78.8%) | 81.0 |
| 35 to 50 years | 219 (19.5%) | 22.0 |
| Total | 1,125 (100.0%) | 46.0 |
Fertility by Age by Marriage Status in Zip Code 91331
59.5% of women with births (1,125) in Zip Code 91331 are married. The highest percentage of unmarried women with births falls into 20 to 34 years age bracket with 42.0% of them unmarried at the time of birth, while the lowest percentage of unmarried women with births belong to 15 to 19 years age bracket with 0.0% of them unmarried.
| Age Bracket | Married | Unmarried |
| 15 to 19 years | 19 (100.0%) | 0 (0.0%) |
| 20 to 34 years | 514 (58.0%) | 373 (42.0%) |
| 35 to 50 years | 136 (62.1%) | 83 (37.9%) |
| Total | 669 (59.5%) | 456 (40.5%) |
Fertility by Education in Zip Code 91331
Average fertility rate in Zip Code 91331 is 46.0 births per 1,000 women. Women with the education attainment of high school diploma have the highest fertility rate of 64.0 births per 1,000 women, while women with the education attainment of bachelor's degree have the lowest fertility at 32.0 births per 1,000 women. Women with the education attainment of high school diploma represent 38.4% of all women with births.
| Educational Attainment | Women with Births | Births / 1,000 Women |
| Less than High School | 313 (27.8%) | 41.0 |
| High School Diploma | 432 (38.4%) | 64.0 |
| College or Associate's Degree | 277 (24.6%) | 41.0 |
| Bachelor's Degree | 75 (6.7%) | 32.0 |
| Graduate Degree | 28 (2.5%) | 35.0 |
| Total | 1,125 (100.0%) | 46.0 |
Fertility by Education by Marriage Status in Zip Code 91331
40.5% of women with births in Zip Code 91331 are unmarried. Women with the educational attainment of graduate degree are most likely to be married with 100.0% of them married at childbirth, while women with the educational attainment of less than high school are least likely to be married with 52.7% of them unmarried at childbirth.
| Educational Attainment | Married | Unmarried |
| Less than High School | 148 (47.3%) | 165 (52.7%) |
| High School Diploma | 238 (55.1%) | 194 (44.9%) |
| College or Associate's Degree | 202 (72.9%) | 75 (27.1%) |
| Bachelor's Degree | 53 (70.7%) | 22 (29.3%) |
| Graduate Degree | 28 (100.0%) | 0 (0.0%) |
| Total | 669 (59.5%) | 456 (40.5%) |
Income in Zip Code 91331
Income Overview in Zip Code 91331
Per Capita Income in Zip Code 91331 is $22,826, while median incomes of families and households are $80,317 and $76,942 respectively.
| Characteristic | Number | Measure |
| Per Capita Income | 99,804 | $22,826 |
| Median Family Income | 19,522 | $80,317 |
| Mean Family Income | 19,522 | $95,594 |
| Median Household Income | 22,995 | $76,942 |
| Mean Household Income | 22,995 | $93,268 |
| Income Deficit | 19,522 | $11,957 |
| Wage / Income Gap (%) | 99,804 | 20.13% |
| Wage / Income Gap ($) | 99,804 | 79.87¢ per $1 |
| Gini / Inequality Index | 99,804 | 0.42 |
Earnings by Sex in Zip Code 91331
Average Earnings in Zip Code 91331 are $33,350, $35,874 for men and $28,654 for women, a difference of 20.1%.
| Sex | Number | Average Earnings |
| Male | 27,778 (57.4%) | $35,874 |
| Female | 20,591 (42.6%) | $28,654 |
| Total | 48,369 (100.0%) | $33,350 |
Earnings by Sex by Income Bracket in Zip Code 91331
The most common earnings brackets in Zip Code 91331 are $30,000 to $34,999 for men (2,968 | 10.7%) and $25,000 to $29,999 for women (1,992 | 9.7%).
| Income | Male | Female |
| $2,499 or less | 839 (3.0%) | 932 (4.5%) |
| $2,500 to $4,999 | 543 (1.9%) | 850 (4.1%) |
| $5,000 to $7,499 | 740 (2.7%) | 677 (3.3%) |
| $7,500 to $9,999 | 577 (2.1%) | 721 (3.5%) |
| $10,000 to $12,499 | 813 (2.9%) | 1,018 (4.9%) |
| $12,500 to $14,999 | 967 (3.5%) | 1,001 (4.9%) |
| $15,000 to $17,499 | 591 (2.1%) | 778 (3.8%) |
| $17,500 to $19,999 | 846 (3.0%) | 796 (3.9%) |
| $20,000 to $22,499 | 942 (3.4%) | 1,067 (5.2%) |
| $22,500 to $24,999 | 988 (3.6%) | 1,065 (5.2%) |
| $25,000 to $29,999 | 2,698 (9.7%) | 1,992 (9.7%) |
| $30,000 to $34,999 | 2,968 (10.7%) | 1,674 (8.1%) |
| $35,000 to $39,999 | 2,134 (7.7%) | 1,383 (6.7%) |
| $40,000 to $44,999 | 1,708 (6.1%) | 1,152 (5.6%) |
| $45,000 to $49,999 | 1,721 (6.2%) | 1,149 (5.6%) |
| $50,000 to $54,999 | 1,744 (6.3%) | 803 (3.9%) |
| $55,000 to $64,999 | 2,001 (7.2%) | 1,214 (5.9%) |
| $65,000 to $74,999 | 1,665 (6.0%) | 550 (2.7%) |
| $75,000 to $99,999 | 1,817 (6.5%) | 1,068 (5.2%) |
| $100,000+ | 1,476 (5.3%) | 701 (3.4%) |
| Total | 27,778 (100.0%) | 20,591 (100.0%) |
Earnings by Sex by Educational Attainment in Zip Code 91331
Average earnings in Zip Code 91331 are $39,033 for men and $32,089 for women, a difference of 17.8%. Men with an educational attainment of graduate degree enjoy the highest average annual earnings of $60,641, while those with less than high school education earn the least with $34,820. Women with an educational attainment of graduate degree earn the most with the average annual earnings of $66,050, while those with less than high school education have the smallest earnings of $24,969.
| Educational Attainment | Male Income | Female Income |
| Less than High School | $34,820 | $24,969 |
| High School Diploma | $42,125 | $32,975 |
| College or Associate's Degree | $39,669 | $34,612 |
| Bachelor's Degree | $55,781 | $48,240 |
| Graduate Degree | $60,641 | $66,050 |
| Total | $39,033 | $32,089 |
Family Income in Zip Code 91331
Family Income Brackets in Zip Code 91331
According to the Zip Code 91331 family income data, there are 4,061 families falling into the $100,000 to $149,999 income range, which is the most common income bracket and makes up 20.8% of all families. Conversely, the $10,000 to $14,999 income bracket is the least frequent group with only 390 families (2.0%) belonging to this category.
| Income Bracket | # Families | % Families |
| Less than $10,000 | 683 | 3.5% |
| $10,000 to $14,999 | 390 | 2.0% |
| $15,000 to $24,999 | 781 | 4.0% |
| $25,000 to $34,999 | 1,737 | 8.9% |
| $35,000 to $49,999 | 2,147 | 11.0% |
| $50,000 to $74,999 | 3,397 | 17.4% |
| $75,000 to $99,999 | 2,987 | 15.3% |
| $100,000 to $149,999 | 4,061 | 20.8% |
| $150,000 to $199,999 | 2,030 | 10.4% |
| $200,000+ | 1,327 | 6.8% |
Family Income by Famaliy Size in Zip Code 91331
7+ person families (2,439 | 12.5%) account for the highest median family income in Zip Code 91331 with $107,396 per family, while 2-person families (3,982 | 20.4%) have the highest median income of $27,228 per family member.
| Income Bracket | # Families | Median Income |
| 2-Person Families | 3,982 (20.4%) | $54,457 |
| 3-Person Families | 3,664 (18.8%) | $68,636 |
| 4-Person Families | 4,045 (20.7%) | $80,221 |
| 5-Person Families | 3,847 (19.7%) | $94,434 |
| 6-Person Families | 1,545 (7.9%) | $96,760 |
| 7+ Person Families | 2,439 (12.5%) | $107,396 |
| Total | 19,522 (100.0%) | $80,317 |
Family Income by Number of Earners in Zip Code 91331
The median family income in Zip Code 91331 is $80,317, with families comprising 3+ earners (6,025) having the highest median family income of $125,639, while families with no earners (1,603) have the lowest median family income of $22,927, accounting for 30.9% and 8.2% of families, respectively.
| Number of Earners | # Families | Median Income |
| No Earners | 1,603 (8.2%) | $22,927 |
| 1 Earner | 5,626 (28.8%) | $48,304 |
| 2 Earners | 6,268 (32.1%) | $86,714 |
| 3+ Earners | 6,025 (30.9%) | $125,639 |
| Total | 19,522 (100.0%) | $80,317 |
Household Income in Zip Code 91331
Household Income Brackets in Zip Code 91331
With 4,576 households falling in the category, the $100,000 to $149,999 income range is the most frequent in Zip Code 91331, accounting for 19.9% of all households. In contrast, only 736 households (3.2%) fall into the $10,000 to $14,999 income bracket, making it the least populous group.
| Income Bracket | # Households | % Households |
| Less than $10,000 | 1,081 | 4.7% |
| $10,000 to $14,999 | 736 | 3.2% |
| $15,000 to $24,999 | 1,265 | 5.5% |
| $25,000 to $34,999 | 2,024 | 8.8% |
| $35,000 to $49,999 | 2,414 | 10.5% |
| $50,000 to $74,999 | 3,748 | 16.3% |
| $75,000 to $99,999 | 3,127 | 13.6% |
| $100,000 to $149,999 | 4,576 | 19.9% |
| $150,000 to $199,999 | 2,231 | 9.7% |
| $200,000+ | 1,771 | 7.7% |
Household Income by Householder Age in Zip Code 91331
The median household income in Zip Code 91331 is $76,942, with the highest median household income of $90,019 found in the 45 to 64 years age bracket for the primary householder. A total of 9,814 households (42.7%) fall into this category. Meanwhile, the 65+ years age bracket for the primary householder has the lowest median household income of $57,312, with 5,402 households (23.5%) in this group.
| Income Bracket | # Households | Median Income |
| 15 to 24 Years | 533 (2.3%) | $61,683 |
| 25 to 44 Years | 7,246 (31.5%) | $72,635 |
| 45 to 64 Years | 9,814 (42.7%) | $90,019 |
| 65+ Years | 5,402 (23.5%) | $57,312 |
| Total | 22,995 (100.0%) | $76,942 |
Poverty in Zip Code 91331
Income Below Poverty by Sex and Age in Zip Code 91331
With 14.2% poverty level for males and 18.3% for females among the residents of Zip Code 91331, under 5 year old males and 5 year old females are the most vulnerable to poverty, with 720 males (26.9%) and 210 females (34.4%) in their respective age groups living below the poverty level.
| Age Bracket | Male | Female |
| Under 5 Years | 720 (26.9%) | 576 (20.6%) |
| 5 Years | 120 (16.9%) | 210 (34.4%) |
| 6 to 11 Years | 834 (20.3%) | 927 (23.7%) |
| 12 to 14 Years | 451 (19.8%) | 531 (24.1%) |
| 15 Years | 206 (21.4%) | 243 (33.8%) |
| 16 and 17 Years | 364 (23.0%) | 375 (29.0%) |
| 18 to 24 Years | 746 (12.5%) | 944 (18.9%) |
| 25 to 34 Years | 669 (8.1%) | 1,210 (16.6%) |
| 35 to 44 Years | 847 (12.8%) | 1,221 (19.6%) |
| 45 to 54 Years | 786 (11.3%) | 797 (12.9%) |
| 55 to 64 Years | 772 (14.2%) | 715 (13.4%) |
| 65 to 74 Years | 376 (12.2%) | 520 (14.2%) |
| 75 Years and over | 301 (15.3%) | 536 (17.9%) |
| Total | 7,192 (14.2%) | 8,805 (18.3%) |
Income Above Poverty by Sex and Age in Zip Code 91331
According to the poverty statistics in Zip Code 91331, males aged 25 to 34 years and females aged 45 to 54 years are the age groups that are most secure financially, with 91.9% of males and 87.2% of females in these age groups living above the poverty line.
| Age Bracket | Male | Female |
| Under 5 Years | 1,954 (73.1%) | 2,217 (79.4%) |
| 5 Years | 591 (83.1%) | 400 (65.6%) |
| 6 to 11 Years | 3,273 (79.7%) | 2,980 (76.3%) |
| 12 to 14 Years | 1,822 (80.2%) | 1,669 (75.9%) |
| 15 Years | 758 (78.6%) | 475 (66.2%) |
| 16 and 17 Years | 1,218 (77.0%) | 919 (71.0%) |
| 18 to 24 Years | 5,215 (87.5%) | 4,054 (81.1%) |
| 25 to 34 Years | 7,609 (91.9%) | 6,063 (83.4%) |
| 35 to 44 Years | 5,769 (87.2%) | 5,008 (80.4%) |
| 45 to 54 Years | 6,186 (88.7%) | 5,405 (87.2%) |
| 55 to 64 Years | 4,659 (85.8%) | 4,612 (86.6%) |
| 65 to 74 Years | 2,700 (87.8%) | 3,149 (85.8%) |
| 75 Years and over | 1,662 (84.7%) | 2,453 (82.1%) |
| Total | 43,416 (85.8%) | 39,404 (81.7%) |
Income Below Poverty Among Married-Couple Families in Zip Code 91331
The poverty statistics for married-couple families in Zip Code 91331 show that 9.8% or 1,188 of the total 12,091 families live below the poverty line. Families with 3 or 4 children have the highest poverty rate of 22.4%, comprising of 401 families. On the other hand, families with no children have the lowest poverty rate of 5.8%, which includes 324 families.
| Children | Above Poverty | Below Poverty |
| No Children | 5,279 (94.2%) | 324 (5.8%) |
| 1 or 2 Children | 4,065 (90.3%) | 435 (9.7%) |
| 3 or 4 Children | 1,393 (77.6%) | 401 (22.4%) |
| 5 or more Children | 166 (85.6%) | 28 (14.4%) |
| Total | 10,903 (90.2%) | 1,188 (9.8%) |
Income Below Poverty Among Single-Parent Households in Zip Code 91331
According to the poverty data in Zip Code 91331, 6.5% or 181 single-father households and 23.6% or 1,095 single-mother households are living below the poverty line. Among single-father households, those with 3 or 4 children have the highest poverty rate, with 37 households (13.9%) experiencing poverty. Likewise, among single-mother households, those with 5 or more children have the highest poverty rate, with 115 households (67.2%) falling below the poverty line.
| Children | Single Father | Single Mother |
| No Children | 93 (6.4%) | 158 (8.6%) |
| 1 or 2 Children | 51 (4.7%) | 474 (24.0%) |
| 3 or 4 Children | 37 (13.9%) | 348 (52.6%) |
| 5 or more Children | 0 (0.0%) | 115 (67.2%) |
| Total | 181 (6.5%) | 1,095 (23.6%) |
Income Below Poverty Among Married-Couple vs Single-Parent Households in Zip Code 91331
The poverty data for Zip Code 91331 shows that 1,188 of the married-couple family households (9.8%) and 1,276 of the single-parent households (17.2%) are living below the poverty level. Within the married-couple family households, those with 3 or 4 children have the highest poverty rate, with 401 households (22.4%) falling below the poverty line. Among the single-parent households, those with 5 or more children have the highest poverty rate, with 115 household (67.2%) living below poverty.
| Children | Married-Couple Families | Single-Parent Households |
| No Children | 324 (5.8%) | 251 (7.7%) |
| 1 or 2 Children | 435 (9.7%) | 525 (17.2%) |
| 3 or 4 Children | 401 (22.4%) | 385 (41.5%) |
| 5 or more Children | 28 (14.4%) | 115 (67.2%) |
| Total | 1,188 (9.8%) | 1,276 (17.2%) |
Employment Characteristics in Zip Code 91331
Employment by Class of Employer in Zip Code 91331
Among the 43,760 employed individuals in Zip Code 91331, private company employees (31,209 | 71.3%), self-employed (not incorporated) (4,010 | 9.2%), and local government employees (2,924 | 6.7%) make up the most common classes of employment.
| Employer Class | # Employees | % Employees |
| Private Company Employees | 31,209 | 71.3% |
| Self-Employed (Incorporated) | 1,269 | 2.9% |
| Self-Employed (Not Incorporated) | 4,010 | 9.2% |
| Not-for-profit Organizations | 2,446 | 5.6% |
| Local Government Employees | 2,924 | 6.7% |
| State Government Employees | 1,217 | 2.8% |
| Federal Government Employees | 585 | 1.3% |
| Unpaid Family Workers | 100 | 0.2% |
| Total | 43,760 | 100.0% |
Employment Status by Age in Zip Code 91331
According to the labor force statistics for Zip Code 91331, out of the total population over 16 years of age (78,235), 61.5% or 48,115 individuals are in the labor force, with 6.4% or 3,079 of them unemployed. The age group with the highest labor force participation rate is 25 to 29 years, with 80.8% or 6,274 individuals in the labor force. Within the labor force, the 16 to 19 years age range has the highest percentage of unemployed individuals, with 26.0% or 275 of them being unemployed.
| Age Bracket | In Labor Force | Unemployed |
| 16 to 19 Years | 1,058 (18.3%) | 275 (26.0%) |
| 20 to 24 Years | 5,750 (71.2%) | 586 (10.2%) |
| 25 to 29 Years | 6,274 (80.8%) | 483 (7.7%) |
| 30 to 34 Years | 6,050 (77.5%) | 351 (5.8%) |
| 35 to 44 Years | 9,992 (77.5%) | 530 (5.3%) |
| 45 to 54 Years | 10,129 (76.5%) | 446 (4.4%) |
| 55 to 59 Years | 4,287 (67.8%) | 266 (6.2%) |
| 60 to 64 Years | 2,721 (60.4%) | 82 (3.0%) |
| 65 to 74 Years | 1,671 (24.5%) | 70 (4.2%) |
| 75 Years and over | 181 (3.6%) | 0 (0.0%) |
| Total | 48,115 (61.5%) | 3,079 (6.4%) |
Employment Status by Educational Attainment in Zip Code 91331
According to labor force statistics for Zip Code 91331, 75.1% of individuals (39,452) out of the total population between 25 and 64 years of age (52,533) are in the labor force, with 5.5% or 2,170 of them being unemployed. The group with the highest labor force participation rate are those with the educational attainment of bachelor's degree or higher, with 87.2% or 5,368 individuals in the labor force. Within the labor force, individuals with less than high school education have the highest percentage of unemployment, with 6.4% or 882 of them being unemployed.
| Educational Attainment | In Labor Force | Unemployed |
| Less than High School | 13,785 (67.0%) | 1,317 (6.4%) |
| High School Diploma | 11,383 (76.3%) | 731 (4.9%) |
| College / Associate Degree | 8,925 (82.0%) | 501 (4.6%) |
| Bachelor's Degree or higher | 5,368 (87.2%) | 363 (5.9%) |
| Total | 39,452 (75.1%) | 2,889 (5.5%) |
Employment Occupations by Sex in Zip Code 91331
Management, Business, Science and Arts Occupations
The most common Management, Business, Science and Arts occupations in Zip Code 91331 are Community & Social Service (3,114 | 6.9%), Management (2,444 | 5.4%), Education Instruction & Library (1,833 | 4.1%), Health Diagnosing & Treating (1,272 | 2.8%), and Business & Financial (1,209 | 2.7%).
Management, Business, Science and Arts Occupations by Sex
Within the Management, Business, Science and Arts occupations in Zip Code 91331, the most male-oriented occupations are Architecture & Engineering (84.2%), Arts, Media & Entertainment (71.5%), and Computers, Engineering & Science (71.1%), while the most female-oriented occupations are Health Diagnosing & Treating (78.8%), Health Technologists (71.8%), and Education, Arts & Media (71.4%).
| Occupation | Male | Female |
| Management | 1,433 (58.6%) | 1,011 (41.4%) |
| Business & Financial | 425 (35.1%) | 784 (64.8%) |
| Computers, Engineering & Science | 706 (71.1%) | 287 (28.9%) |
| Computers & Mathematics | 375 (67.4%) | 181 (32.6%) |
| Architecture & Engineering | 251 (84.2%) | 47 (15.8%) |
| Life, Physical & Social Science | 80 (57.6%) | 59 (42.4%) |
| Community & Social Service | 1,139 (36.6%) | 1,975 (63.4%) |
| Education, Arts & Media | 176 (28.6%) | 439 (71.4%) |
| Legal Services & Support | 119 (54.1%) | 101 (45.9%) |
| Education Instruction & Library | 525 (28.6%) | 1,308 (71.4%) |
| Arts, Media & Entertainment | 319 (71.5%) | 127 (28.5%) |
| Health Diagnosing & Treating | 270 (21.2%) | 1,002 (78.8%) |
| Health Technologists | 146 (28.2%) | 371 (71.8%) |
| Total (Category) | 3,973 (44.0%) | 5,059 (56.0%) |
| Total (Overall) | 25,808 (57.3%) | 19,219 (42.7%) |
Services Occupations
The most common Services occupations in Zip Code 91331 are Cleaning & Maintenance (3,660 | 8.1%), Healthcare Support (2,424 | 5.4%), Food Preparation & Serving (2,308 | 5.1%), Personal Care & Service (1,468 | 3.3%), and Security & Protection (688 | 1.5%).
Services Occupations by Sex
Within the Services occupations in Zip Code 91331, the most male-oriented occupations are Law Enforcement (92.7%), Security & Protection (85.5%), and Firefighting & Prevention (82.9%), while the most female-oriented occupations are Healthcare Support (90.7%), Personal Care & Service (81.1%), and Food Preparation & Serving (47.5%).
| Occupation | Male | Female |
| Healthcare Support | 226 (9.3%) | 2,198 (90.7%) |
| Security & Protection | 588 (85.5%) | 100 (14.5%) |
| Firefighting & Prevention | 422 (82.9%) | 87 (17.1%) |
| Law Enforcement | 166 (92.7%) | 13 (7.3%) |
| Food Preparation & Serving | 1,212 (52.5%) | 1,096 (47.5%) |
| Cleaning & Maintenance | 2,172 (59.3%) | 1,488 (40.7%) |
| Personal Care & Service | 278 (18.9%) | 1,190 (81.1%) |
| Total (Category) | 4,476 (42.4%) | 6,072 (57.6%) |
| Total (Overall) | 25,808 (57.3%) | 19,219 (42.7%) |
Sales and Office Occupations
The most common Sales and Office occupations in Zip Code 91331 are Office & Administration (5,316 | 11.8%), and Sales & Related (4,055 | 9.0%).
Sales and Office Occupations by Sex
| Occupation | Male | Female |
| Sales & Related | 1,742 (43.0%) | 2,313 (57.0%) |
| Office & Administration | 1,863 (35.0%) | 3,453 (64.9%) |
| Total (Category) | 3,605 (38.5%) | 5,766 (61.5%) |
| Total (Overall) | 25,808 (57.3%) | 19,219 (42.7%) |
Natural Resources, Construction and Maintenance Occupations
The most common Natural Resources, Construction and Maintenance occupations in Zip Code 91331 are Construction & Extraction (4,903 | 10.9%), Installation, Maintenance & Repair (1,759 | 3.9%), and Farming, Fishing & Forestry (411 | 0.9%).
Natural Resources, Construction and Maintenance Occupations by Sex
| Occupation | Male | Female |
| Farming, Fishing & Forestry | 355 (86.4%) | 56 (13.6%) |
| Construction & Extraction | 4,858 (99.1%) | 45 (0.9%) |
| Installation, Maintenance & Repair | 1,759 (100.0%) | 0 (0.0%) |
| Total (Category) | 6,972 (98.6%) | 101 (1.4%) |
| Total (Overall) | 25,808 (57.3%) | 19,219 (42.7%) |
Production, Transportation and Moving Occupations
The most common Production, Transportation and Moving occupations in Zip Code 91331 are Production (4,457 | 9.9%), Material Moving (2,448 | 5.4%), and Transportation (2,098 | 4.7%).
Production, Transportation and Moving Occupations by Sex
| Occupation | Male | Female |
| Production | 2,903 (65.1%) | 1,554 (34.9%) |
| Transportation | 1,984 (94.6%) | 114 (5.4%) |
| Material Moving | 1,895 (77.4%) | 553 (22.6%) |
| Total (Category) | 6,782 (75.3%) | 2,221 (24.7%) |
| Total (Overall) | 25,808 (57.3%) | 19,219 (42.7%) |
Employment Industries by Sex in Zip Code 91331
Employment Industries in Zip Code 91331
The major employment industries in Zip Code 91331 include Health Care & Social Assistance (5,902 | 13.1%), Manufacturing (5,678 | 12.6%), Construction (5,622 | 12.5%), Retail Trade (5,137 | 11.4%), and Administrative & Support (3,433 | 7.6%).
Employment Industries by Sex in Zip Code 91331
The Zip Code 91331 industries that see more men than women are Mining, Quarrying, & Extraction (100.0%), Construction (95.4%), and Agriculture, Fishing & Hunting (85.5%), whereas the industries that tend to have a higher number of women are Health Care & Social Assistance (80.5%), Finance & Insurance (71.1%), and Public Administration (63.3%).
| Industry | Male | Female |
| Agriculture, Fishing & Hunting | 499 (85.5%) | 85 (14.5%) |
| Mining, Quarrying, & Extraction | 37 (100.0%) | 0 (0.0%) |
| Construction | 5,365 (95.4%) | 257 (4.6%) |
| Manufacturing | 3,661 (64.5%) | 2,017 (35.5%) |
| Wholesale Trade | 386 (56.3%) | 300 (43.7%) |
| Retail Trade | 2,688 (52.3%) | 2,449 (47.7%) |
| Transportation & Warehousing | 2,106 (79.1%) | 556 (20.9%) |
| Utilities | 184 (76.7%) | 56 (23.3%) |
| Information | 593 (74.3%) | 205 (25.7%) |
| Finance & Insurance | 334 (28.9%) | 822 (71.1%) |
| Real Estate, Rental & Leasing | 435 (58.2%) | 313 (41.8%) |
| Professional & Scientific | 788 (57.9%) | 573 (42.1%) |
| Enterprise Management | 59 (59.6%) | 40 (40.4%) |
| Administrative & Support | 2,427 (70.7%) | 1,006 (29.3%) |
| Educational Services | 1,146 (36.9%) | 1,956 (63.1%) |
| Health Care & Social Assistance | 1,151 (19.5%) | 4,751 (80.5%) |
| Arts, Entertainment & Recreation | 460 (67.6%) | 220 (32.4%) |
| Accommodation & Food Services | 1,515 (51.5%) | 1,424 (48.4%) |
| Public Administration | 438 (36.7%) | 756 (63.3%) |
| Total | 25,808 (57.3%) | 19,219 (42.7%) |
Education in Zip Code 91331
School Enrollment in Zip Code 91331
The most common levels of schooling among the 28,060 students in Zip Code 91331 are high school (6,903 | 24.6%), college / undergraduate (6,498 | 23.2%), and middle school (5,519 | 19.7%).
| School Level | # Students | % Students |
| Nursery / Preschool | 1,112 | 4.0% |
| Kindergarten | 1,550 | 5.5% |
| Elementary School | 5,514 | 19.7% |
| Middle School | 5,519 | 19.7% |
| High School | 6,903 | 24.6% |
| College / Undergraduate | 6,498 | 23.2% |
| Graduate / Professional | 964 | 3.4% |
| Total | 28,060 | 100.0% |
School Enrollment by Age by Funding Source in Zip Code 91331
Out of a total of 28,060 students who are enrolled in schools in Zip Code 91331, 1,627 (5.8%) attend a private institution, while the remaining 26,433 (94.2%) are enrolled in public schools. The age group of 35 years and over has the highest likelihood of being enrolled in private schools, with 399 (32.9% in the age bracket) enrolled. Conversely, the age group of 5 to 9 year old has the lowest likelihood of being enrolled in a private school, with 6,338 (96.8% in the age bracket) attending a public institution.
| Age Bracket | Public School | Private School |
| 3 to 4 Year Olds | 1,018 (95.8%) | 45 (4.2%) |
| 5 to 9 Year Old | 6,338 (96.8%) | 211 (3.2%) |
| 10 to 14 Year Olds | 6,883 (96.4%) | 261 (3.6%) |
| 15 to 17 Year Olds | 4,158 (95.9%) | 180 (4.2%) |
| 18 to 19 Year Olds | 2,023 (94.4%) | 119 (5.6%) |
| 20 to 24 Year Olds | 3,317 (92.7%) | 261 (7.3%) |
| 25 to 34 Year Olds | 1,871 (92.0%) | 163 (8.0%) |
| 35 Years and over | 813 (67.1%) | 399 (32.9%) |
| Total | 26,433 (94.2%) | 1,627 (5.8%) |
Educational Attainment by Field of Study in Zip Code 91331
Business (1,469 | 19.6%), social sciences (1,182 | 15.7%), science & technology (740 | 9.9%), psychology (517 | 6.9%), and liberal arts & history (512 | 6.8%) are the most common fields of study among 7,513 individuals in Zip Code 91331 who have obtained a bachelor's degree or higher.
| Field of Study | # Graduates | % Graduates |
| Computers & Mathematics | 300 | 4.0% |
| Bio, Nature & Agricultural | 312 | 4.2% |
| Physical & Health Sciences | 161 | 2.1% |
| Psychology | 517 | 6.9% |
| Social Sciences | 1,182 | 15.7% |
| Engineering | 410 | 5.5% |
| Multidisciplinary Studies | 98 | 1.3% |
| Science & Technology | 740 | 9.9% |
| Business | 1,469 | 19.6% |
| Education | 485 | 6.5% |
| Literature & Languages | 280 | 3.7% |
| Liberal Arts & History | 512 | 6.8% |
| Visual & Performing Arts | 322 | 4.3% |
| Communications | 284 | 3.8% |
| Arts & Humanities | 441 | 5.9% |
| Total | 7,513 | 100.0% |
Transportation & Commute in Zip Code 91331
Vehicle Availability by Sex in Zip Code 91331
The most prevalent vehicle ownership categories in Zip Code 91331 are males with 2 vehicles (5,909, accounting for 23.5%) and females with 2 vehicles (4,310, making up 31.9%).
| Vehicles Available | Male | Female |
| No Vehicle | 536 (2.1%) | 486 (2.6%) |
| 1 Vehicle | 2,381 (9.5%) | 1,932 (10.4%) |
| 2 Vehicles | 5,909 (23.5%) | 4,310 (23.2%) |
| 3 Vehicles | 5,764 (22.9%) | 4,315 (23.3%) |
| 4 Vehicles | 5,682 (22.6%) | 4,060 (21.9%) |
| 5 or more Vehicles | 4,860 (19.3%) | 3,451 (18.6%) |
| Total | 25,132 (100.0%) | 18,554 (100.0%) |
Commute Time in Zip Code 91331
The most frequently occuring commute durations in Zip Code 91331 are 30 to 34 minutes (7,751 commuters, 18.9%), 20 to 24 minutes (6,321 commuters, 15.4%), and 15 to 19 minutes (6,243 commuters, 15.2%).
| Commute Time | # Commuters | % Commuters |
| Less than 5 Minutes | 321 | 0.8% |
| 5 to 9 Minutes | 1,619 | 3.9% |
| 10 to 14 Minutes | 4,077 | 9.9% |
| 15 to 19 Minutes | 6,243 | 15.2% |
| 20 to 24 Minutes | 6,321 | 15.4% |
| 25 to 29 Minutes | 2,795 | 6.8% |
| 30 to 34 Minutes | 7,751 | 18.9% |
| 35 to 39 Minutes | 1,366 | 3.3% |
| 40 to 44 Minutes | 1,819 | 4.4% |
| 45 to 59 Minutes | 3,905 | 9.5% |
| 60 to 89 Minutes | 3,549 | 8.6% |
| 90 or more Minutes | 1,331 | 3.2% |
Commute Time by Sex in Zip Code 91331
The most common commute times in Zip Code 91331 are 30 to 34 minutes (5,064 commuters, 21.0%) for males and 20 to 24 minutes (3,173 commuters, 18.7%) for females.
| Commute Time | Male | Female |
| Less than 5 Minutes | 195 (0.8%) | 126 (0.7%) |
| 5 to 9 Minutes | 761 (3.2%) | 858 (5.1%) |
| 10 to 14 Minutes | 2,372 (9.9%) | 1,705 (10.0%) |
| 15 to 19 Minutes | 3,528 (14.6%) | 2,715 (16.0%) |
| 20 to 24 Minutes | 3,148 (13.1%) | 3,173 (18.7%) |
| 25 to 29 Minutes | 1,504 (6.2%) | 1,291 (7.6%) |
| 30 to 34 Minutes | 5,064 (21.0%) | 2,687 (15.8%) |
| 35 to 39 Minutes | 774 (3.2%) | 592 (3.5%) |
| 40 to 44 Minutes | 1,245 (5.2%) | 574 (3.4%) |
| 45 to 59 Minutes | 2,368 (9.8%) | 1,537 (9.0%) |
| 60 to 89 Minutes | 2,332 (9.7%) | 1,217 (7.2%) |
| 90 or more Minutes | 802 (3.3%) | 529 (3.1%) |
Time of Departure to Work by Sex in Zip Code 91331
The most frequent times of departure to work in Zip Code 91331 are 7:00 AM to 7:29 AM (3,433, 14.2%) for males and 7:00 AM to 7:29 AM (3,111, 18.3%) for females.
| Time of Departure | Male | Female |
| 12:00 AM to 4:59 AM | 2,667 (11.1%) | 851 (5.0%) |
| 5:00 AM to 5:29 AM | 2,216 (9.2%) | 570 (3.4%) |
| 5:30 AM to 5:59 AM | 2,428 (10.1%) | 824 (4.9%) |
| 6:00 AM to 6:29 AM | 3,258 (13.5%) | 1,421 (8.4%) |
| 6:30 AM to 6:59 AM | 2,158 (9.0%) | 1,384 (8.1%) |
| 7:00 AM to 7:29 AM | 3,433 (14.2%) | 3,111 (18.3%) |
| 7:30 AM to 7:59 AM | 1,617 (6.7%) | 1,790 (10.5%) |
| 8:00 AM to 8:29 AM | 1,297 (5.4%) | 2,198 (12.9%) |
| 8:30 AM to 8:59 AM | 433 (1.8%) | 783 (4.6%) |
| 9:00 AM to 9:59 AM | 1,162 (4.8%) | 961 (5.7%) |
| 10:00 AM to 10:59 AM | 567 (2.4%) | 508 (3.0%) |
| 11:00 AM to 11:59 AM | 253 (1.1%) | 373 (2.2%) |
| 12:00 PM to 3:59 PM | 1,477 (6.1%) | 1,432 (8.4%) |
| 4:00 PM to 11:59 PM | 1,127 (4.7%) | 798 (4.7%) |
| Total | 24,093 (100.0%) | 17,004 (100.0%) |
Housing Occupancy in Zip Code 91331
Occupancy by Ownership in Zip Code 91331
Of the total 22,995 dwellings in Zip Code 91331, owner-occupied units account for 14,495 (63.0%), while renter-occupied units make up 8,500 (37.0%).
| Occupancy | # Housing Units | % Housing Units |
| Owner Occupied Housing Units | 14,495 | 63.0% |
| Renter-Occupied Housing Units | 8,500 | 37.0% |
| Total Occupied Housing Units | 22,995 | 100.0% |
Occupancy by Household Size in Zip Code 91331
| Household Size | # Housing Units | % Housing Units |
| 1-Person Household | 2,976 | 12.9% |
| 2-Person Household | 3,628 | 15.8% |
| 3-Person Household | 3,375 | 14.7% |
| 4+ Person Household | 13,016 | 56.6% |
| Total Housing Units | 22,995 | 100.0% |
Occupancy by Ownership by Household Size in Zip Code 91331
| Household Size | Owner-occupied | Renter-occupied |
| 1-Person Household | 1,488 (50.0%) | 1,488 (50.0%) |
| 2-Person Household | 2,245 (61.9%) | 1,383 (38.1%) |
| 3-Person Household | 2,255 (66.8%) | 1,120 (33.2%) |
| 4+ Person Household | 8,507 (65.4%) | 4,509 (34.6%) |
| Total Housing Units | 14,495 (63.0%) | 8,500 (37.0%) |
Occupancy by Educational Attainment in Zip Code 91331
| Household Size | Owner-occupied | Renter-occupied |
| Less than High School | 6,129 (61.7%) | 3,808 (38.3%) |
| High School Diploma | 3,315 (60.8%) | 2,142 (39.3%) |
| College/Associate Degree | 3,183 (66.4%) | 1,607 (33.6%) |
| Bachelor's Degree or higher | 1,868 (66.4%) | 943 (33.6%) |
Occupancy by Age of Householder in Zip Code 91331
| Age Bracket | # Households | % Households |
| Under 35 Years | 3,136 | 13.6% |
| 35 to 44 Years | 4,643 | 20.2% |
| 45 to 54 Years | 5,348 | 23.3% |
| 55 to 64 Years | 4,466 | 19.4% |
| 65 to 74 Years | 3,181 | 13.8% |
| 75 to 84 Years | 1,653 | 7.2% |
| 85 Years and Over | 568 | 2.5% |
| Total | 22,995 | 100.0% |
Housing Finances in Zip Code 91331
Median Income by Occupancy in Zip Code 91331
| Occupancy Type | # Households | Median Income |
| Owner-Occupied | 14,495 (63.0%) | $95,863 |
| Renter-Occupied | 8,500 (37.0%) | $48,024 |
| Average | 22,995 (100.0%) | $76,942 |
Occupancy by Householder Income Bracket in Zip Code 91331
| Income Bracket | Owner-occupied | Renter-occupied |
| Less than $5,000 | 246 (1.7%) | 407 (4.8%) |
| $5,000 to $9,999 | 247 (1.7%) | 189 (2.2%) |
| $10,000 to $14,999 | 362 (2.5%) | 377 (4.4%) |
| $15,000 to $19,999 | 181 (1.3%) | 421 (5.0%) |
| $20,000 to $24,999 | 285 (2.0%) | 374 (4.4%) |
| $25,000 to $34,999 | 789 (5.4%) | 1,241 (14.6%) |
| $35,000 to $49,999 | 937 (6.5%) | 1,471 (17.3%) |
| $50,000 to $74,999 | 2,430 (16.8%) | 1,323 (15.6%) |
| $75,000 to $99,999 | 2,100 (14.5%) | 1,038 (12.2%) |
| $100,000 to $149,999 | 3,483 (24.0%) | 1,085 (12.8%) |
| $150,000 or more | 3,435 (23.7%) | 574 (6.8%) |
| Total | 14,495 (100.0%) | 8,500 (100.0%) |
Monthly Housing Cost Tiers in Zip Code 91331
| Monthly Cost | Owner-occupied | Renter-occupied |
| Less than $300 | 198 (1.4%) | 190 (2.2%) |
| $300 to $499 | 818 (5.6%) | 269 (3.2%) |
| $500 to $799 | 1,410 (9.7%) | 590 (6.9%) |
| $800 to $999 | 1,067 (7.4%) | 507 (6.0%) |
| $1,000 to $1,499 | 1,601 (11.1%) | 1,838 (21.6%) |
| $1,500 to $1,999 | 1,672 (11.5%) | 1,896 (22.3%) |
| $2,000 to $2,499 | 2,376 (16.4%) | 1,420 (16.7%) |
| $2,500 to $2,999 | 2,305 (15.9%) | 1,034 (12.2%) |
| $3,000 or more | 3,048 (21.0%) | 517 (6.1%) |
| Total | 14,495 (100.0%) | 8,500 (100.0%) |
Physical Housing Characteristics in Zip Code 91331
Housing Structures in Zip Code 91331
| Structure Type | # Housing Units | % Housing Units |
| Single Unit, Detached | 16,016 | 69.7% |
| Single Unit, Attached | 1,860 | 8.1% |
| 2 Unit Apartments | 259 | 1.1% |
| 3 or 4 Unit Apartments | 527 | 2.3% |
| 5 to 9 Unit Apartments | 608 | 2.6% |
| 10 or more Apartments | 3,160 | 13.7% |
| Mobile Home / Other | 565 | 2.5% |
| Total | 22,995 | 100.0% |
Housing Structures by Occupancy in Zip Code 91331
| Structure Type | Owner-occupied | Renter-occupied |
| Single Unit, Detached | 12,413 (77.5%) | 3,603 (22.5%) |
| Single Unit, Attached | 1,056 (56.8%) | 804 (43.2%) |
| 2 Unit Apartments | 17 (6.6%) | 242 (93.4%) |
| 3 or 4 Unit Apartments | 65 (12.3%) | 462 (87.7%) |
| 5 to 9 Unit Apartments | 150 (24.7%) | 458 (75.3%) |
| 10 or more Apartments | 396 (12.5%) | 2,764 (87.5%) |
| Mobile Home / Other | 398 (70.4%) | 167 (29.6%) |
| Total | 14,495 (63.0%) | 8,500 (37.0%) |
Housing Structures by Number of Rooms in Zip Code 91331
| Number of Rooms | Owner-occupied | Renter-occupied |
| 1 Room | 224 (1.5%) | 718 (8.5%) |
| 2 or 3 Rooms | 643 (4.4%) | 1,844 (21.7%) |
| 4 or 5 Rooms | 6,240 (43.0%) | 4,105 (48.3%) |
| 6 or 7 Rooms | 5,511 (38.0%) | 1,578 (18.6%) |
| 8 or more Rooms | 1,877 (13.0%) | 255 (3.0%) |
| Total | 14,495 (100.0%) | 8,500 (100.0%) |
Housing Structure by Heating Type in Zip Code 91331
| Heating Type | Owner-occupied | Renter-occupied |
| Utility Gas | 9,410 (64.9%) | 3,977 (46.8%) |
| Bottled, Tank, or LP Gas | 259 (1.8%) | 97 (1.1%) |
| Electricity | 3,471 (23.9%) | 3,230 (38.0%) |
| Fuel Oil or Kerosene | 6 (0.0%) | 0 (0.0%) |
| Coal or Coke | 0 (0.0%) | 0 (0.0%) |
| All other Fuels | 319 (2.2%) | 68 (0.8%) |
| No Fuel Used | 1,030 (7.1%) | 1,128 (13.3%) |
| Total | 14,495 (100.0%) | 8,500 (100.0%) |
Household Vehicle Usage in Zip Code 91331
| Vehicles per Household | Owner-occupied | Renter-occupied |
| No Vehicle | 394 (2.7%) | 1,159 (13.6%) |
| 1 Vehicle | 2,155 (14.9%) | 2,480 (29.2%) |
| 2 Vehicles | 3,854 (26.6%) | 2,643 (31.1%) |
| 3 or more Vehicles | 8,092 (55.8%) | 2,218 (26.1%) |
| Total | 14,495 (100.0%) | 8,500 (100.0%) |
Real Estate & Mortgages in Zip Code 91331
Real Estate and Mortgage Overview in Zip Code 91331
| Characteristic | Without Mortgage | With Mortgage |
| Housing Units | 4,428 | 10,067 |
| Median Property Value | $563,600 | $590,800 |
| Median Household Income | $75,132 | $2,652 |
| Monthly Housing Costs | $768 | $3,038 |
| Real Estate Taxes | $2,550 | $318 |
Property Value by Mortgage Status in Zip Code 91331
| Property Value | Without Mortgage | With Mortgage |
| Less than $50,000 | 254 (5.7%) | 120 (1.2%) |
| $50,000 to $99,999 | 129 (2.9%) | 180 (1.8%) |
| $100,000 to $299,999 | 315 (7.1%) | 294 (2.9%) |
| $300,000 to $499,999 | 897 (20.3%) | 2,093 (20.8%) |
| $500,000 to $749,999 | 2,435 (55.0%) | 6,460 (64.2%) |
| $750,000 to $999,999 | 371 (8.4%) | 852 (8.5%) |
| $1,000,000 or more | 27 (0.6%) | 68 (0.7%) |
| Total | 4,428 (100.0%) | 10,067 (100.0%) |
Household Income by Mortgage Status in Zip Code 91331
| Household Income | Without Mortgage | With Mortgage |
| Less than $10,000 | 240 (5.4%) | 99 (1.0%) |
| $10,000 to $24,999 | 437 (9.9%) | 253 (2.5%) |
| $25,000 to $34,999 | 346 (7.8%) | 391 (3.9%) |
| $35,000 to $49,999 | 373 (8.4%) | 443 (4.4%) |
| $50,000 to $74,999 | 813 (18.4%) | 564 (5.6%) |
| $75,000 to $99,999 | 599 (13.5%) | 1,617 (16.1%) |
| $100,000 to $149,999 | 837 (18.9%) | 1,501 (14.9%) |
| $150,000 or more | 783 (17.7%) | 2,646 (26.3%) |
| Total | 4,428 (100.0%) | 10,067 (100.0%) |
Property Value to Household Income Ratio in Zip Code 91331
| Value-to-Income Ratio | Without Mortgage | With Mortgage |
| Less than 2.0x | 477 (10.8%) | 104,451 (1,037.6%) |
| 2.0x to 2.9x | 467 (10.5%) | 650 (6.5%) |
| 3.0x to 3.9x | 453 (10.2%) | 1,140 (11.3%) |
| 4.0x or more | 3,013 (68.0%) | 1,500 (14.9%) |
| Total | 4,428 (100.0%) | 10,067 (100.0%) |
Real Estate Taxes by Mortgage Status in Zip Code 91331
| Property Taxes | Without Mortgage | With Mortgage |
| Less than $800 | 469 (10.6%) | 115 (1.1%) |
| $800 to $1,499 | 681 (15.4%) | 201 (2.0%) |
| $800 to $1,499 | 2,847 (64.3%) | 629 (6.2%) |
| Total | 4,428 (100.0%) | 10,067 (100.0%) |
Health & Disability in Zip Code 91331
Health Insurance Coverage by Age in Zip Code 91331
| Age Bracket | With Coverage | Without Coverage |
| Under 6 Years | 6,823 (96.8%) | 224 (3.2%) |
| 6 to 18 Years | 18,020 (95.5%) | 843 (4.5%) |
| 19 to 25 Years | 9,476 (85.2%) | 1,647 (14.8%) |
| 26 to 34 Years | 11,228 (80.7%) | 2,689 (19.3%) |
| 35 to 44 Years | 10,078 (78.5%) | 2,767 (21.5%) |
| 45 to 54 Years | 11,003 (83.5%) | 2,171 (16.5%) |
| 55 to 64 Years | 9,320 (86.6%) | 1,438 (13.4%) |
| 65 to 74 Years | 6,485 (96.2%) | 260 (3.8%) |
| 75 Years and older | 4,868 (98.3%) | 84 (1.7%) |
| Total | 87,301 (87.8%) | 12,123 (12.2%) |
Health Insurance Coverage by Citizenship Status in Zip Code 91331
| Citizenship Status | With Coverage | Without Coverage |
| Native Born | 6,823 (96.8%) | 224 (3.2%) |
| Foreign Born, Citizen | 18,020 (95.5%) | 843 (4.5%) |
| Foreign Born, not a Citizen | 9,476 (85.2%) | 1,647 (14.8%) |
Health Insurance Coverage by Household Income in Zip Code 91331
| Household Income | With Coverage | Without Coverage |
| Under $25,000 | 6,669 (90.1%) | 730 (9.9%) |
| $25,000 to $49,999 | 13,456 (86.3%) | 2,146 (13.8%) |
| $50,000 to $74,999 | 13,638 (87.7%) | 1,905 (12.3%) |
| $75,000 to $99,999 | 13,182 (89.3%) | 1,578 (10.7%) |
| $100,000 and over | 40,001 (87.5%) | 5,743 (12.6%) |
Public vs Private Health Insurance Coverage by Age in Zip Code 91331
| Age Bracket | Public Insurance | Private Insurance |
| Under 6 | 5,041 (71.5%) | 2,023 (28.7%) |
| 6 to 18 Years | 11,983 (63.5%) | 6,716 (35.6%) |
| 19 to 25 Years | 4,158 (37.4%) | 5,561 (50.0%) |
| 25 to 34 Years | 4,242 (30.5%) | 7,176 (51.6%) |
| 35 to 44 Years | 3,972 (30.9%) | 6,416 (49.9%) |
| 45 to 54 Years | 4,325 (32.8%) | 6,930 (52.6%) |
| 55 to 64 Years | 4,150 (38.6%) | 5,462 (50.8%) |
| 65 to 74 Years | 6,107 (90.5%) | 1,562 (23.2%) |
| 75 Years and over | 4,813 (97.2%) | 1,118 (22.6%) |
| Total | 48,791 (49.1%) | 42,964 (43.2%) |
Disability Status by Sex by Age in Zip Code 91331
| Age Bracket | Male | Female |
| Under 5 Years | 33 (1.2%) | 10 (0.3%) |
| 5 to 17 Years | 421 (4.3%) | 520 (5.8%) |
| 18 to 34 Years | 559 (3.9%) | 763 (6.2%) |
| 35 to 64 Years | 2,488 (13.1%) | 2,051 (11.6%) |
| 65 to 74 Years | 742 (24.1%) | 1,052 (28.7%) |
| 75 Years and over | 884 (45.0%) | 1,859 (62.2%) |
Disability Class by Sex by Age in Zip Code 91331
Disability Class: Hearing Difficulty
| Age Bracket | Male | Female |
| Under 5 Years | 0 (0.0%) | 10 (0.3%) |
| 5 to 17 Years | 20 (0.2%) | 98 (1.1%) |
| 18 to 34 Years | 50 (0.4%) | 54 (0.4%) |
| 35 to 64 Years | 547 (2.9%) | 299 (1.7%) |
| 65 to 74 Years | 289 (9.4%) | 169 (4.6%) |
| 75 Years and over | 312 (15.9%) | 611 (20.4%) |
Disability Class: Vision Difficulty
| Age Bracket | Male | Female |
| Under 5 Years | 33 (1.2%) | 10 (0.3%) |
| 5 to 17 Years | 87 (0.9%) | 260 (2.9%) |
| 18 to 34 Years | 101 (0.7%) | 143 (1.2%) |
| 35 to 64 Years | 501 (2.6%) | 581 (3.3%) |
| 65 to 74 Years | 92 (3.0%) | 207 (5.6%) |
| 75 Years and over | 141 (7.2%) | 518 (17.3%) |
Disability Class: Cognitive Difficulty
| Age Bracket | Male | Female |
| 5 to 17 Years | 300 (3.0%) | 213 (2.4%) |
| 18 to 34 Years | 373 (2.6%) | 375 (3.1%) |
| 35 to 64 Years | 851 (4.5%) | 688 (3.9%) |
| 65 to 74 Years | 98 (3.2%) | 285 (7.8%) |
| 75 Years and over | 220 (11.2%) | 688 (23.0%) |
Disability Class: Ambulatory Difficulty
| Age Bracket | Male | Female |
| 5 to 17 Years | 46 (0.5%) | 16 (0.2%) |
| 18 to 34 Years | 101 (0.7%) | 225 (1.8%) |
| 35 to 64 Years | 1,365 (7.2%) | 1,333 (7.5%) |
| 65 to 74 Years | 408 (13.3%) | 770 (21.0%) |
| 75 Years and over | 595 (30.3%) | 1,292 (43.2%) |
Disability Class: Self-Care Difficulty
| Age Bracket | Male | Female |
| 5 to 17 Years | 89 (0.9%) | 90 (1.0%) |
| 18 to 34 Years | 125 (0.9%) | 90 (0.7%) |
| 35 to 64 Years | 541 (2.8%) | 334 (1.9%) |
| 65 to 74 Years | 91 (3.0%) | 236 (6.4%) |
| 75 Years and over | 240 (12.2%) | 647 (21.6%) |
Technology Access in Zip Code 91331
Computing Device Access in Zip Code 91331
| Device Type | # Households | % Households |
| Desktop or Laptop | 17,590 | 76.5% |
| Smartphone | 20,446 | 88.9% |
| Tablet | 13,852 | 60.2% |
| No Computing Device | 1,796 | 7.8% |
| Total | 22,995 | 100.0% |
Internet Access in Zip Code 91331
| Internet Type | # Households | % Households |
| Dial-Up Internet | 7 | 0.0% |
| Broadband Home | 16,192 | 70.4% |
| Cellular Data Only | 3,128 | 13.6% |
| Satellite Internet | 2,302 | 10.0% |
| No Internet | 2,801 | 12.2% |
| Total | 22,995 | 100.0% |
Common Questions
What is the Total Population of Zip Code 91331?
Total Population of Zip Code 91331 is 99,804.
What is the Total Male Population of Zip Code 91331?
Total Male Population of Zip Code 91331 is 51,123.
What is the Total Female Population of Zip Code 91331?
Total Female Population of Zip Code 91331 is 48,681.
What is the Ratio of Males per 100 Females in Zip Code 91331?
There are 105.02 Males per 100 Females in Zip Code 91331.
What is the Ratio of Females per 100 Males in Zip Code 91331?
There are 95.22 Females per 100 Males in Zip Code 91331.
What is the Median Population Age in Zip Code 91331?
Median Population Age in Zip Code 91331 is 34.3 Years.
What is the Average Family Size in Zip Code 91331
Average Family Size in Zip Code 91331 is 4.5 People.
What is the Average Household Size in Zip Code 91331
Average Household Size in Zip Code 91331 is 4.3 People.
What is Per Capita Income in Zip Code 91331?
Per Capita income in Zip Code 91331 is $22,826.
What is the Median Family Income in Zip Code 91331?
Median Family Income in Zip Code 91331 is $80,317.
What is the Median Household income in Zip Code 91331?
Median Household Income in Zip Code 91331 is $76,942.
What is Income or Wage Gap in Zip Code 91331?
Income or Wage Gap in Zip Code 91331 is 20.1%.
Women in Zip Code 91331 earn 79.9 cents for every dollar earned by a man.
What is Family Income Deficit in Zip Code 91331?
Family Income Deficit in Zip Code 91331 is $11,957.
Families that are below poverty line in Zip Code 91331 earn $11,957 less on average than the poverty threshold level.
What is Inequality or Gini Index in Zip Code 91331?
Inequality or Gini Index in Zip Code 91331 is 0.42.
How Large is the Labor Force in Zip Code 91331?
There are 48,115 People in the Labor Forcein in Zip Code 91331.
What is the Percentage of People in the Labor Force in Zip Code 91331?
61.5% of People are in the Labor Force in Zip Code 91331.
What is the Unemployment Rate in Zip Code 91331?
Unemployment Rate in Zip Code 91331 is 6.4%.