Zip Code 21740
Zip Code 21740 Map
Zip Code 21740 Overview
62,760
TOTAL POPULATION
31,718
MALE POPULATION
31,042
FEMALE POPULATION
102.18
MALES / 100 FEMALES
97.87
FEMALES / 100 MALES
39.3
MEDIAN AGE
3.0
AVG FAMILY SIZE
2.4
AVG HOUSEHOLD SIZE
$32,126
PER CAPITA INCOME
$75,601
AVG FAMILY INCOME
$57,150
AVG HOUSEHOLD INCOME
28.8%
WAGE / INCOME GAP [ % ]
71.2¢/ $1
WAGE / INCOME GAP [ $ ]
$9,723
FAMILY INCOME DEFICIT
0.46
INEQUALITY / GINI INDEX
29,614
LABOR FORCE [ PEOPLE ]
58.6%
PERCENT IN LABOR FORCE
5.6%
UNEMPLOYMENT RATE
Race in Zip Code 21740
The most populous races in Zip Code 21740 are White / Caucasian (44,303 | 70.6%), Black / African American (10,849 | 17.3%), and Hispanic or Latino (5,319 | 8.5%).
| Race | # Population | % Population |
| Asian | 1,104 | 1.8% |
| Black / African American | 10,849 | 17.3% |
| Hawaiian / Pacific | 105 | 0.2% |
| Hispanic or Latino | 5,319 | 8.5% |
| Native / Alaskan | 126 | 0.2% |
| White / Caucasian | 44,303 | 70.6% |
| Two or more Races | 4,948 | 7.9% |
| Some other Race | 1,325 | 2.1% |
| Total | 62,760 | 100.0% |
Ancestry in Zip Code 21740
The most populous ancestries reported in Zip Code 21740 are German (12,586 | 20.1%), Irish (6,395 | 10.2%), English (5,269 | 8.4%), American (2,874 | 4.6%), and Italian (2,655 | 4.2%), together accounting for 47.5% of all Zip Code 21740 residents.
| Ancestry | # Population | % Population |
| Afghan | 37 | 0.1% |
| African | 797 | 1.3% |
| American | 2,874 | 4.6% |
| Apache | 5 | 0.0% |
| Arab | 162 | 0.3% |
| Argentinean | 116 | 0.2% |
| Armenian | 14 | 0.0% |
| Australian | 5 | 0.0% |
| Austrian | 56 | 0.1% |
| Barbadian | 45 | 0.1% |
| Belgian | 18 | 0.0% |
| Bhutanese | 196 | 0.3% |
| Blackfeet | 24 | 0.0% |
| British | 178 | 0.3% |
| Burmese | 71 | 0.1% |
| Cambodian | 4 | 0.0% |
| Celtic | 21 | 0.0% |
| Central American | 1,534 | 2.4% |
| Central American Indian | 46 | 0.1% |
| Cherokee | 344 | 0.5% |
| Chilean | 4 | 0.0% |
| Choctaw | 2 | 0.0% |
| Colombian | 71 | 0.1% |
| Cree | 4 | 0.0% |
| Cuban | 70 | 0.1% |
| Czech | 128 | 0.2% |
| Czechoslovakian | 14 | 0.0% |
| Danish | 46 | 0.1% |
| Dominican | 926 | 1.5% |
| Dutch | 291 | 0.5% |
| Dutch West Indian | 7 | 0.0% |
| Eastern European | 60 | 0.1% |
| Ecuadorian | 127 | 0.2% |
| Egyptian | 8 | 0.0% |
| English | 5,269 | 8.4% |
| Ethiopian | 92 | 0.2% |
| European | 550 | 0.9% |
| Filipino | 8 | 0.0% |
| Finnish | 20 | 0.0% |
| French | 981 | 1.6% |
| French Canadian | 253 | 0.4% |
| German | 12,586 | 20.1% |
| Ghanaian | 146 | 0.2% |
| Greek | 225 | 0.4% |
| Guamanian / Chamorro | 74 | 0.1% |
| Guatemalan | 331 | 0.5% |
| Haitian | 43 | 0.1% |
| Honduran | 345 | 0.5% |
| Hungarian | 159 | 0.3% |
| Indian (Asian) | 471 | 0.7% |
| Indonesian | 45 | 0.1% |
| Iranian | 2 | 0.0% |
| Irish | 6,395 | 10.2% |
| Iroquois | 24 | 0.0% |
| Italian | 2,655 | 4.2% |
| Jamaican | 64 | 0.1% |
| Korean | 284 | 0.4% |
| Lebanese | 105 | 0.2% |
| Lithuanian | 54 | 0.1% |
| Lumbee | 5 | 0.0% |
| Mexican | 1,049 | 1.7% |
| Mexican American Indian | 5 | 0.0% |
| Moroccan | 49 | 0.1% |
| Native Hawaiian | 44 | 0.1% |
| Nicaraguan | 10 | 0.0% |
| Nigerian | 8 | 0.0% |
| Northern European | 156 | 0.3% |
| Norwegian | 532 | 0.9% |
| Panamanian | 180 | 0.3% |
| Pennsylvania German | 92 | 0.2% |
| Peruvian | 66 | 0.1% |
| Polish | 1,363 | 2.2% |
| Portuguese | 176 | 0.3% |
| Puerto Rican | 1,147 | 1.8% |
| Romanian | 64 | 0.1% |
| Russian | 291 | 0.5% |
| Salvadoran | 657 | 1.1% |
| Scandinavian | 104 | 0.2% |
| Scotch-Irish | 374 | 0.6% |
| Scottish | 811 | 1.3% |
| Seminole | 8 | 0.0% |
| Serbian | 223 | 0.4% |
| Sierra Leonean | 55 | 0.1% |
| Slovak | 20 | 0.0% |
| South American | 407 | 0.6% |
| Spaniard | 29 | 0.1% |
| Subsaharan African | 1,323 | 2.1% |
| Swedish | 332 | 0.5% |
| Swiss | 345 | 0.5% |
| Thai | 288 | 0.5% |
| Trinidadian and Tobagonian | 17 | 0.0% |
| Ukrainian | 88 | 0.1% |
| Venezuelan | 23 | 0.0% |
| Welsh | 337 | 0.5% |
| West Indian | 33 | 0.1% |
| Yugoslavian | 5 | 0.0% | View All 96 Rows |
Immigrants in Zip Code 21740
The most numerous immigrant groups reported in Zip Code 21740 came from Latin America (2,465 | 3.9%), Central America (1,196 | 1.9%), Asia (841 | 1.3%), Africa (720 | 1.1%), and Caribbean (719 | 1.1%), together accounting for 9.5% of all Zip Code 21740 residents.
| Immigration Origin | # Population | % Population |
| Afghanistan | 9 | 0.0% |
| Africa | 720 | 1.1% |
| Argentina | 68 | 0.1% |
| Asia | 841 | 1.3% |
| Belarus | 27 | 0.0% |
| Brazil | 41 | 0.1% |
| Cameroon | 160 | 0.3% |
| Canada | 131 | 0.2% |
| Caribbean | 719 | 1.1% |
| Central America | 1,196 | 1.9% |
| Chile | 4 | 0.0% |
| China | 394 | 0.6% |
| Colombia | 46 | 0.1% |
| Congo | 18 | 0.0% |
| Dominican Republic | 393 | 0.6% |
| Eastern Africa | 50 | 0.1% |
| Eastern Asia | 462 | 0.7% |
| Eastern Europe | 96 | 0.2% |
| Ecuador | 38 | 0.1% |
| Egypt | 8 | 0.0% |
| El Salvador | 619 | 1.0% |
| England | 16 | 0.0% |
| Ethiopia | 37 | 0.1% |
| Europe | 165 | 0.3% |
| Germany | 46 | 0.1% |
| Ghana | 165 | 0.3% |
| Greece | 3 | 0.0% |
| Guatemala | 198 | 0.3% |
| Guyana | 269 | 0.4% |
| Haiti | 35 | 0.1% |
| Honduras | 119 | 0.2% |
| India | 43 | 0.1% |
| Iran | 2 | 0.0% |
| Ireland | 4 | 0.0% |
| Jamaica | 248 | 0.4% |
| Japan | 35 | 0.1% |
| Korea | 29 | 0.1% |
| Latin America | 2,465 | 3.9% |
| Mexico | 212 | 0.3% |
| Middle Africa | 178 | 0.3% |
| Morocco | 16 | 0.0% |
| Nepal | 25 | 0.0% |
| Northern Africa | 24 | 0.0% |
| Northern Europe | 20 | 0.0% |
| Pakistan | 72 | 0.1% |
| Panama | 29 | 0.1% |
| Peru | 66 | 0.1% |
| Philippines | 136 | 0.2% |
| Poland | 5 | 0.0% |
| Romania | 8 | 0.0% |
| Sierra Leone | 76 | 0.1% |
| South America | 550 | 0.9% |
| South Central Asia | 151 | 0.2% |
| South Eastern Asia | 181 | 0.3% |
| Southern Europe | 3 | 0.0% |
| Trinidad and Tobago | 25 | 0.0% |
| Ukraine | 56 | 0.1% |
| Venezuela | 18 | 0.0% |
| West Indies | 5 | 0.0% |
| Western Africa | 300 | 0.5% |
| Western Asia | 47 | 0.1% |
| Western Europe | 46 | 0.1% | View All 62 Rows |
Sex and Age in Zip Code 21740
Sex and Age in Zip Code 21740
The most populous age groups in Zip Code 21740 are 35 to 39 Years (2,588 | 8.2%) for men and 30 to 34 Years (2,310 | 7.4%) for women.
| Age Bracket | Male | Female |
| Under 5 Years | 1,669 (5.3%) | 1,842 (5.9%) |
| 5 to 9 Years | 2,002 (6.3%) | 2,104 (6.8%) |
| 10 to 14 Years | 1,770 (5.6%) | 1,938 (6.2%) |
| 15 to 19 Years | 1,791 (5.7%) | 1,712 (5.5%) |
| 20 to 24 Years | 2,267 (7.1%) | 2,236 (7.2%) |
| 25 to 29 Years | 2,137 (6.7%) | 1,619 (5.2%) |
| 30 to 34 Years | 2,241 (7.1%) | 2,310 (7.4%) |
| 35 to 39 Years | 2,588 (8.2%) | 1,900 (6.1%) |
| 40 to 44 Years | 2,069 (6.5%) | 1,777 (5.7%) |
| 45 to 49 Years | 2,374 (7.5%) | 1,743 (5.6%) |
| 50 to 54 Years | 2,399 (7.6%) | 2,218 (7.1%) |
| 55 to 59 Years | 2,171 (6.8%) | 2,267 (7.3%) |
| 60 to 64 Years | 1,788 (5.6%) | 1,683 (5.4%) |
| 65 to 69 Years | 1,391 (4.4%) | 1,701 (5.5%) |
| 70 to 74 Years | 1,299 (4.1%) | 1,313 (4.2%) |
| 75 to 79 Years | 767 (2.4%) | 1,022 (3.3%) |
| 80 to 84 Years | 637 (2.0%) | 869 (2.8%) |
| 85 Years and over | 358 (1.1%) | 788 (2.5%) |
| Total | 31,718 (100.0%) | 31,042 (100.0%) |
Families and Households in Zip Code 21740
Median Family Size in Zip Code 21740
The median family size in Zip Code 21740 is 2.95 persons per family, with single female/mother families (3,506 | 23.2%) accounting for the largest median family size of 3.07 persons per family. On the other hand, single male/father families (1,461 | 9.7%) represent the smallest median family size with 2.49 persons per family.
| Family Type | # Families | Family Size |
| Married-Couple | 10,163 (67.2%) | 2.98 |
| Single Male/Father | 1,461 (9.7%) | 2.49 |
| Single Female/Mother | 3,506 (23.2%) | 3.07 |
| Total Families | 15,130 (100.0%) | 2.95 |
Median Household Size in Zip Code 21740
The median household size in Zip Code 21740 is 2.37 persons per household, with single female/mother households (3,506 | 14.1%) accounting for the largest median household size of 3.39 persons per household. non-family households (9,688 | 39.0%) represent the smallest median household size with 1.24 persons per household.
| Household Type | # Households | Household Size |
| Married-Couple | 10,163 (40.9%) | 3.02 |
| Single Male/Father | 1,461 (5.9%) | 2.93 |
| Single Female/Mother | 3,506 (14.1%) | 3.39 |
| Non-family | 9,688 (39.0%) | 1.24 |
| Total Households | 24,818 (100.0%) | 2.37 |
Household Size by Marriage Status in Zip Code 21740
Out of a total of 24,818 households in Zip Code 21740, 15,130 (61.0%) are family households, while 9,688 (39.0%) are nonfamily households. The most numerous type of family households are 2-person households, comprising 6,522, and the most common type of nonfamily households are 1-person households, comprising 8,048.
| Household Size | Family Households | Nonfamily Households |
| 1-Person Households | - | 8,048 (32.4%) |
| 2-Person Households | 6,522 (26.3%) | 1,339 (5.4%) |
| 3-Person Households | 3,669 (14.8%) | 90 (0.4%) |
| 4-Person Households | 2,594 (10.4%) | 123 (0.5%) |
| 5-Person Households | 1,400 (5.6%) | 13 (0.1%) |
| 6-Person Households | 733 (2.9%) | 10 (0.0%) |
| 7+ Person Households | 212 (0.9%) | 65 (0.3%) |
| Total | 15,130 (61.0%) | 9,688 (39.0%) |
Female Fertility in Zip Code 21740
Fertility by Age in Zip Code 21740
Average fertility rate in Zip Code 21740 is 48.0 births per 1,000 women. Women in the age bracket of 20 to 34 years have the highest fertility rate with 90.0 births per 1,000 women. Women in the age bracket of 20 to 34 years acount for 84.4% of all women with births.
| Age Bracket | Women with Births | Births / 1,000 Women |
| 15 to 19 years | 0 (0.0%) | 0.0 |
| 20 to 34 years | 556 (84.4%) | 90.0 |
| 35 to 50 years | 103 (15.6%) | 17.0 |
| Total | 659 (100.0%) | 48.0 |
Fertility by Age by Marriage Status in Zip Code 21740
46.0% of women with births (659) in Zip Code 21740 are married. The highest percentage of unmarried women with births falls into 20 to 34 years age bracket with 54.3% of them unmarried at the time of birth, while the lowest percentage of unmarried women with births belong to 35 to 50 years age bracket with 52.4% of them unmarried.
| Age Bracket | Married | Unmarried |
| 15 to 19 years | 0 (0.0%) | 0 (0.0%) |
| 20 to 34 years | 254 (45.7%) | 302 (54.3%) |
| 35 to 50 years | 49 (47.6%) | 54 (52.4%) |
| Total | 303 (46.0%) | 356 (54.0%) |
Fertility by Education in Zip Code 21740
Average fertility rate in Zip Code 21740 is 48.0 births per 1,000 women. Women with the education attainment of graduate degree have the highest fertility rate of 145.0 births per 1,000 women, while women with the education attainment of college or associate's degree have the lowest fertility at 28.0 births per 1,000 women. Women with the education attainment of high school diploma represent 25.6% of all women with births.
| Educational Attainment | Women with Births | Births / 1,000 Women |
| Less than High School | 104 (15.8%) | 49.0 |
| High School Diploma | 169 (25.6%) | 42.0 |
| College or Associate's Degree | 134 (20.3%) | 28.0 |
| Bachelor's Degree | 120 (18.2%) | 62.0 |
| Graduate Degree | 132 (20.0%) | 145.0 |
| Total | 659 (100.0%) | 48.0 |
Fertility by Education by Marriage Status in Zip Code 21740
54.0% of women with births in Zip Code 21740 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 100.0% of them unmarried at childbirth.
| Educational Attainment | Married | Unmarried |
| Less than High School | 0 (0.0%) | 104 (100.0%) |
| High School Diploma | 46 (27.2%) | 123 (72.8%) |
| College or Associate's Degree | 76 (56.7%) | 58 (43.3%) |
| Bachelor's Degree | 49 (40.8%) | 71 (59.2%) |
| Graduate Degree | 132 (100.0%) | 0 (0.0%) |
| Total | 303 (46.0%) | 356 (54.0%) |
Income in Zip Code 21740
Income Overview in Zip Code 21740
Per Capita Income in Zip Code 21740 is $32,126, while median incomes of families and households are $75,601 and $57,150 respectively.
| Characteristic | Number | Measure |
| Per Capita Income | 62,760 | $32,126 |
| Median Family Income | 15,130 | $75,601 |
| Mean Family Income | 15,130 | $96,351 |
| Median Household Income | 24,818 | $57,150 |
| Mean Household Income | 24,818 | $79,678 |
| Income Deficit | 15,130 | $9,723 |
| Wage / Income Gap (%) | 62,760 | 28.83% |
| Wage / Income Gap ($) | 62,760 | 71.17¢ per $1 |
| Gini / Inequality Index | 62,760 | 0.46 |
Earnings by Sex in Zip Code 21740
Average Earnings in Zip Code 21740 are $40,994, $48,531 for men and $34,540 for women, a difference of 28.8%.
| Sex | Number | Average Earnings |
| Male | 16,248 (53.1%) | $48,531 |
| Female | 14,345 (46.9%) | $34,540 |
| Total | 30,593 (100.0%) | $40,994 |
Earnings by Sex by Income Bracket in Zip Code 21740
The most common earnings brackets in Zip Code 21740 are $100,000+ for men (2,469 | 15.2%) and $75,000 to $99,999 for women (1,159 | 8.1%).
| Income | Male | Female |
| $2,499 or less | 668 (4.1%) | 751 (5.2%) |
| $2,500 to $4,999 | 198 (1.2%) | 768 (5.3%) |
| $5,000 to $7,499 | 421 (2.6%) | 727 (5.1%) |
| $7,500 to $9,999 | 212 (1.3%) | 470 (3.3%) |
| $10,000 to $12,499 | 731 (4.5%) | 392 (2.7%) |
| $12,500 to $14,999 | 443 (2.7%) | 649 (4.5%) |
| $15,000 to $17,499 | 294 (1.8%) | 670 (4.7%) |
| $17,500 to $19,999 | 215 (1.3%) | 250 (1.7%) |
| $20,000 to $22,499 | 556 (3.4%) | 481 (3.4%) |
| $22,500 to $24,999 | 385 (2.4%) | 428 (3.0%) |
| $25,000 to $29,999 | 1,030 (6.3%) | 924 (6.4%) |
| $30,000 to $34,999 | 1,065 (6.6%) | 734 (5.1%) |
| $35,000 to $39,999 | 623 (3.8%) | 963 (6.7%) |
| $40,000 to $44,999 | 638 (3.9%) | 739 (5.1%) |
| $45,000 to $49,999 | 897 (5.5%) | 999 (7.0%) |
| $50,000 to $54,999 | 1,120 (6.9%) | 706 (4.9%) |
| $55,000 to $64,999 | 1,416 (8.7%) | 1,004 (7.0%) |
| $65,000 to $74,999 | 1,196 (7.4%) | 630 (4.4%) |
| $75,000 to $99,999 | 1,671 (10.3%) | 1,159 (8.1%) |
| $100,000+ | 2,469 (15.2%) | 901 (6.3%) |
| Total | 16,248 (100.0%) | 14,345 (100.0%) |
Earnings by Sex by Educational Attainment in Zip Code 21740
Average earnings in Zip Code 21740 are $53,247 for men and $40,704 for women, a difference of 23.6%. Men with an educational attainment of graduate degree enjoy the highest average annual earnings of $91,000, while those with less than high school education earn the least with $34,795. Women with an educational attainment of bachelor's degree earn the most with the average annual earnings of $62,669, while those with high school diploma education have the smallest earnings of $30,396.
| Educational Attainment | Male Income | Female Income |
| Less than High School | $34,795 | $31,441 |
| High School Diploma | $45,035 | $30,396 |
| College or Associate's Degree | $54,953 | $39,875 |
| Bachelor's Degree | $89,872 | $62,669 |
| Graduate Degree | $91,000 | $61,816 |
| Total | $53,247 | $40,704 |
Family Income in Zip Code 21740
Family Income Brackets in Zip Code 21740
According to the Zip Code 21740 family income data, there are 2,844 families falling into the $100,000 to $149,999 income range, which is the most common income bracket and makes up 18.8% of all families. Conversely, the $10,000 to $14,999 income bracket is the least frequent group with only 424 families (2.8%) belonging to this category.
| Income Bracket | # Families | % Families |
| Less than $10,000 | 530 | 3.5% |
| $10,000 to $14,999 | 424 | 2.8% |
| $15,000 to $24,999 | 832 | 5.5% |
| $25,000 to $34,999 | 1,362 | 9.0% |
| $35,000 to $49,999 | 1,634 | 10.8% |
| $50,000 to $74,999 | 2,723 | 18.0% |
| $75,000 to $99,999 | 2,043 | 13.5% |
| $100,000 to $149,999 | 2,844 | 18.8% |
| $150,000 to $199,999 | 1,740 | 11.5% |
| $200,000+ | 983 | 6.5% |
Family Income by Famaliy Size in Zip Code 21740
4-person families (2,363 | 15.6%) account for the highest median family income in Zip Code 21740 with $95,018 per family, while 2-person families (7,187 | 47.5%) have the highest median income of $35,256 per family member.
| Income Bracket | # Families | Median Income |
| 2-Person Families | 7,187 (47.5%) | $70,511 |
| 3-Person Families | 3,630 (24.0%) | $80,743 |
| 4-Person Families | 2,363 (15.6%) | $95,018 |
| 5-Person Families | 1,210 (8.0%) | $91,570 |
| 6-Person Families | 592 (3.9%) | $78,804 |
| 7+ Person Families | 148 (1.0%) | $0 |
| Total | 15,130 (100.0%) | $75,601 |
Family Income by Number of Earners in Zip Code 21740
The median family income in Zip Code 21740 is $75,601, with families comprising 3+ earners (1,416) having the highest median family income of $131,250, while families with no earners (2,479) have the lowest median family income of $39,363, accounting for 9.4% and 16.4% of families, respectively.
| Number of Earners | # Families | Median Income |
| No Earners | 2,479 (16.4%) | $39,363 |
| 1 Earner | 5,445 (36.0%) | $51,707 |
| 2 Earners | 5,790 (38.3%) | $106,424 |
| 3+ Earners | 1,416 (9.4%) | $131,250 |
| Total | 15,130 (100.0%) | $75,601 |
Household Income in Zip Code 21740
Household Income Brackets in Zip Code 21740
With 4,219 households falling in the category, the $50,000 to $74,999 income range is the most frequent in Zip Code 21740, accounting for 17.0% of all households. In contrast, only 1,142 households (4.6%) fall into the $200,000+ income bracket, making it the least populous group.
| Income Bracket | # Households | % Households |
| Less than $10,000 | 1,216 | 4.9% |
| $10,000 to $14,999 | 1,464 | 5.9% |
| $15,000 to $24,999 | 2,333 | 9.4% |
| $25,000 to $34,999 | 2,656 | 10.7% |
| $35,000 to $49,999 | 3,177 | 12.8% |
| $50,000 to $74,999 | 4,219 | 17.0% |
| $75,000 to $99,999 | 2,929 | 11.8% |
| $100,000 to $149,999 | 3,748 | 15.1% |
| $150,000 to $199,999 | 1,961 | 7.9% |
| $200,000+ | 1,142 | 4.6% |
Household Income by Householder Age in Zip Code 21740
The median household income in Zip Code 21740 is $57,150, with the highest median household income of $69,991 found in the 45 to 64 years age bracket for the primary householder. A total of 10,029 households (40.4%) fall into this category. Meanwhile, the 15 to 24 years age bracket for the primary householder has the lowest median household income of $0, with 926 households (3.7%) in this group.
| Income Bracket | # Households | Median Income |
| 15 to 24 Years | 926 (3.7%) | $0 |
| 25 to 44 Years | 7,901 (31.8%) | $66,955 |
| 45 to 64 Years | 10,029 (40.4%) | $69,991 |
| 65+ Years | 5,962 (24.0%) | $41,541 |
| Total | 24,818 (100.0%) | $57,150 |
Poverty in Zip Code 21740
Income Below Poverty by Sex and Age in Zip Code 21740
With 15.4% poverty level for males and 19.3% for females among the residents of Zip Code 21740, 16 and 17 year old males and 15 year old females are the most vulnerable to poverty, with 187 males (32.6%) and 216 females (59.0%) in their respective age groups living below the poverty level.
| Age Bracket | Male | Female |
| Under 5 Years | 346 (20.7%) | 517 (28.1%) |
| 5 Years | 127 (20.8%) | 87 (23.1%) |
| 6 to 11 Years | 522 (26.7%) | 602 (24.5%) |
| 12 to 14 Years | 190 (18.7%) | 278 (27.3%) |
| 15 Years | 44 (8.3%) | 216 (59.0%) |
| 16 and 17 Years | 187 (32.6%) | 101 (13.1%) |
| 18 to 24 Years | 325 (12.5%) | 952 (34.1%) |
| 25 to 34 Years | 475 (13.8%) | 826 (21.3%) |
| 35 to 44 Years | 567 (14.6%) | 563 (15.4%) |
| 45 to 54 Years | 575 (13.4%) | 586 (14.8%) |
| 55 to 64 Years | 655 (17.8%) | 500 (12.7%) |
| 65 to 74 Years | 225 (8.7%) | 268 (9.2%) |
| 75 Years and over | 157 (9.4%) | 374 (15.2%) |
| Total | 4,395 (15.4%) | 5,870 (19.3%) |
Income Above Poverty by Sex and Age in Zip Code 21740
According to the poverty statistics in Zip Code 21740, males aged 15 years and females aged 65 to 74 years are the age groups that are most secure financially, with 91.7% of males and 90.8% of females in these age groups living above the poverty line.
| Age Bracket | Male | Female |
| Under 5 Years | 1,323 (79.3%) | 1,325 (71.9%) |
| 5 Years | 482 (79.1%) | 290 (76.9%) |
| 6 to 11 Years | 1,430 (73.3%) | 1,850 (75.4%) |
| 12 to 14 Years | 824 (81.3%) | 741 (72.7%) |
| 15 Years | 489 (91.7%) | 150 (41.0%) |
| 16 and 17 Years | 387 (67.4%) | 670 (86.9%) |
| 18 to 24 Years | 2,272 (87.5%) | 1,841 (65.9%) |
| 25 to 34 Years | 2,972 (86.2%) | 3,047 (78.7%) |
| 35 to 44 Years | 3,311 (85.4%) | 3,087 (84.6%) |
| 45 to 54 Years | 3,721 (86.6%) | 3,360 (85.2%) |
| 55 to 64 Years | 3,030 (82.2%) | 3,431 (87.3%) |
| 65 to 74 Years | 2,360 (91.3%) | 2,638 (90.8%) |
| 75 Years and over | 1,509 (90.6%) | 2,081 (84.8%) |
| Total | 24,110 (84.6%) | 24,511 (80.7%) |
Income Below Poverty Among Married-Couple Families in Zip Code 21740
The poverty statistics for married-couple families in Zip Code 21740 show that 4.8% or 491 of the total 10,163 families live below the poverty line. Families with 5 or more children have the highest poverty rate of 83.8%, comprising of 62 families. On the other hand, families with 3 or 4 children have the lowest poverty rate of 0.8%, which includes 8 families.
| Children | Above Poverty | Below Poverty |
| No Children | 5,866 (95.5%) | 278 (4.5%) |
| 1 or 2 Children | 2,851 (95.2%) | 143 (4.8%) |
| 3 or 4 Children | 943 (99.2%) | 8 (0.8%) |
| 5 or more Children | 12 (16.2%) | 62 (83.8%) |
| Total | 9,672 (95.2%) | 491 (4.8%) |
Income Below Poverty Among Single-Parent Households in Zip Code 21740
According to the poverty data in Zip Code 21740, 25.4% or 371 single-father households and 28.9% or 1,012 single-mother households are living below the poverty line. Among single-father households, those with 5 or more children have the highest poverty rate, with 27 households (100.0%) experiencing poverty. Likewise, among single-mother households, those with 3 or 4 children have the highest poverty rate, with 273 households (50.6%) falling below the poverty line.
| Children | Single Father | Single Mother |
| No Children | 84 (13.0%) | 160 (15.6%) |
| 1 or 2 Children | 162 (26.5%) | 579 (29.8%) |
| 3 or 4 Children | 98 (56.0%) | 273 (50.6%) |
| 5 or more Children | 27 (100.0%) | 0 (0.0%) |
| Total | 371 (25.4%) | 1,012 (28.9%) |
Income Below Poverty Among Married-Couple vs Single-Parent Households in Zip Code 21740
The poverty data for Zip Code 21740 shows that 491 of the married-couple family households (4.8%) and 1,383 of the single-parent households (27.8%) are living below the poverty level. Within the married-couple family households, those with 5 or more children have the highest poverty rate, with 62 households (83.8%) falling below the poverty line. Among the single-parent households, those with 5 or more children have the highest poverty rate, with 27 household (100.0%) living below poverty.
| Children | Married-Couple Families | Single-Parent Households |
| No Children | 278 (4.5%) | 244 (14.6%) |
| 1 or 2 Children | 143 (4.8%) | 741 (29.0%) |
| 3 or 4 Children | 8 (0.8%) | 371 (52.0%) |
| 5 or more Children | 62 (83.8%) | 27 (100.0%) |
| Total | 491 (4.8%) | 1,383 (27.8%) |
Employment Characteristics in Zip Code 21740
Employment by Class of Employer in Zip Code 21740
Among the 27,577 employed individuals in Zip Code 21740, private company employees (18,597 | 67.4%), local government employees (2,248 | 8.2%), and not-for-profit organizations (2,165 | 7.9%) make up the most common classes of employment.
| Employer Class | # Employees | % Employees |
| Private Company Employees | 18,597 | 67.4% |
| Self-Employed (Incorporated) | 713 | 2.6% |
| Self-Employed (Not Incorporated) | 1,313 | 4.8% |
| Not-for-profit Organizations | 2,165 | 7.9% |
| Local Government Employees | 2,248 | 8.2% |
| State Government Employees | 1,136 | 4.1% |
| Federal Government Employees | 1,381 | 5.0% |
| Unpaid Family Workers | 24 | 0.1% |
| Total | 27,577 | 100.0% |
Employment Status by Age in Zip Code 21740
According to the labor force statistics for Zip Code 21740, out of the total population over 16 years of age (50,535), 58.6% or 29,614 individuals are in the labor force, with 5.6% or 1,658 of them unemployed. The age group with the highest labor force participation rate is 25 to 29 years, with 75.1% or 2,821 individuals in the labor force. Within the labor force, the 20 to 24 years age range has the highest percentage of unemployed individuals, with 13.0% or 437 of them being unemployed.
| Age Bracket | In Labor Force | Unemployed |
| 16 to 19 Years | 1,205 (46.3%) | 129 (10.7%) |
| 20 to 24 Years | 3,364 (74.7%) | 437 (13.0%) |
| 25 to 29 Years | 2,821 (75.1%) | 200 (7.1%) |
| 30 to 34 Years | 3,158 (69.4%) | 120 (3.8%) |
| 35 to 44 Years | 6,175 (74.1%) | 346 (5.6%) |
| 45 to 54 Years | 6,262 (71.7%) | 182 (2.9%) |
| 55 to 59 Years | 3,009 (67.8%) | 42 (1.4%) |
| 60 to 64 Years | 2,162 (62.3%) | 186 (8.6%) |
| 65 to 74 Years | 1,312 (23.0%) | 31 (2.4%) |
| 75 Years and over | 151 (3.4%) | 0 (0.0%) |
| Total | 29,614 (58.6%) | 1,658 (5.6%) |
Employment Status by Educational Attainment in Zip Code 21740
According to labor force statistics for Zip Code 21740, 70.9% of individuals (23,598) out of the total population between 25 and 64 years of age (33,284) are in the labor force, with 4.6% or 1,086 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 87.1% or 6,336 individuals in the labor force. Within the labor force, individuals with high school diploma education have the highest percentage of unemployment, with 5.5% or 438 of them being unemployed.
| Educational Attainment | In Labor Force | Unemployed |
| Less than High School | 1,976 (46.3%) | 218 (5.1%) |
| High School Diploma | 7,967 (67.3%) | 651 (5.5%) |
| College / Associate Degree | 7,320 (73.9%) | 426 (4.3%) |
| Bachelor's Degree or higher | 6,336 (87.1%) | 247 (3.4%) |
| Total | 23,598 (70.9%) | 1,531 (4.6%) |
Employment Occupations by Sex in Zip Code 21740
Management, Business, Science and Arts Occupations
The most common Management, Business, Science and Arts occupations in Zip Code 21740 are Management (2,448 | 8.8%), Community & Social Service (2,421 | 8.7%), Computers, Engineering & Science (1,684 | 6.1%), Health Diagnosing & Treating (1,460 | 5.3%), and Business & Financial (1,440 | 5.2%).
Management, Business, Science and Arts Occupations by Sex
Within the Management, Business, Science and Arts occupations in Zip Code 21740, the most male-oriented occupations are Architecture & Engineering (99.5%), Computers, Engineering & Science (83.7%), and Computers & Mathematics (81.5%), while the most female-oriented occupations are Health Technologists (93.5%), Health Diagnosing & Treating (85.7%), and Education Instruction & Library (82.7%).
| Occupation | Male | Female |
| Management | 1,695 (69.2%) | 753 (30.8%) |
| Business & Financial | 751 (52.1%) | 689 (47.8%) |
| Computers, Engineering & Science | 1,409 (83.7%) | 275 (16.3%) |
| Computers & Mathematics | 1,029 (81.5%) | 234 (18.5%) |
| Architecture & Engineering | 207 (99.5%) | 1 (0.5%) |
| Life, Physical & Social Science | 173 (81.2%) | 40 (18.8%) |
| Community & Social Service | 735 (30.4%) | 1,686 (69.6%) |
| Education, Arts & Media | 111 (21.1%) | 415 (78.9%) |
| Legal Services & Support | 36 (40.5%) | 53 (59.6%) |
| Education Instruction & Library | 219 (17.3%) | 1,045 (82.7%) |
| Arts, Media & Entertainment | 369 (68.1%) | 173 (31.9%) |
| Health Diagnosing & Treating | 209 (14.3%) | 1,251 (85.7%) |
| Health Technologists | 52 (6.5%) | 750 (93.5%) |
| Total (Category) | 4,799 (50.8%) | 4,654 (49.2%) |
| Total (Overall) | 14,888 (53.7%) | 12,852 (46.3%) |
Services Occupations
The most common Services occupations in Zip Code 21740 are Food Preparation & Serving (1,272 | 4.6%), Cleaning & Maintenance (1,234 | 4.4%), Healthcare Support (1,069 | 3.8%), Security & Protection (905 | 3.3%), and Personal Care & Service (553 | 2.0%).
Services Occupations by Sex
Within the Services occupations in Zip Code 21740, the most male-oriented occupations are Law Enforcement (86.8%), Cleaning & Maintenance (72.9%), and Security & Protection (71.1%), while the most female-oriented occupations are Healthcare Support (92.5%), Personal Care & Service (71.1%), and Food Preparation & Serving (66.1%).
| Occupation | Male | Female |
| Healthcare Support | 80 (7.5%) | 989 (92.5%) |
| Security & Protection | 643 (71.1%) | 262 (28.9%) |
| Firefighting & Prevention | 320 (60.0%) | 213 (40.0%) |
| Law Enforcement | 323 (86.8%) | 49 (13.2%) |
| Food Preparation & Serving | 431 (33.9%) | 841 (66.1%) |
| Cleaning & Maintenance | 899 (72.9%) | 335 (27.2%) |
| Personal Care & Service | 160 (28.9%) | 393 (71.1%) |
| Total (Category) | 2,213 (44.0%) | 2,820 (56.0%) |
| Total (Overall) | 14,888 (53.7%) | 12,852 (46.3%) |
Sales and Office Occupations
The most common Sales and Office occupations in Zip Code 21740 are Office & Administration (3,357 | 12.1%), and Sales & Related (2,671 | 9.6%).
Sales and Office Occupations by Sex
| Occupation | Male | Female |
| Sales & Related | 1,147 (42.9%) | 1,524 (57.1%) |
| Office & Administration | 552 (16.4%) | 2,805 (83.6%) |
| Total (Category) | 1,699 (28.2%) | 4,329 (71.8%) |
| Total (Overall) | 14,888 (53.7%) | 12,852 (46.3%) |
Natural Resources, Construction and Maintenance Occupations
The most common Natural Resources, Construction and Maintenance occupations in Zip Code 21740 are Construction & Extraction (1,554 | 5.6%), Installation, Maintenance & Repair (1,396 | 5.0%), and Farming, Fishing & Forestry (89 | 0.3%).
Natural Resources, Construction and Maintenance Occupations by Sex
| Occupation | Male | Female |
| Farming, Fishing & Forestry | 89 (100.0%) | 0 (0.0%) |
| Construction & Extraction | 1,475 (94.9%) | 79 (5.1%) |
| Installation, Maintenance & Repair | 1,396 (100.0%) | 0 (0.0%) |
| Total (Category) | 2,960 (97.4%) | 79 (2.6%) |
| Total (Overall) | 14,888 (53.7%) | 12,852 (46.3%) |
Production, Transportation and Moving Occupations
The most common Production, Transportation and Moving occupations in Zip Code 21740 are Material Moving (1,728 | 6.2%), Transportation (1,242 | 4.5%), and Production (1,217 | 4.4%).
Production, Transportation and Moving Occupations by Sex
| Occupation | Male | Female |
| Production | 836 (68.7%) | 381 (31.3%) |
| Transportation | 1,074 (86.5%) | 168 (13.5%) |
| Material Moving | 1,307 (75.6%) | 421 (24.4%) |
| Total (Category) | 3,217 (76.8%) | 970 (23.2%) |
| Total (Overall) | 14,888 (53.7%) | 12,852 (46.3%) |
Employment Industries by Sex in Zip Code 21740
Employment Industries in Zip Code 21740
The major employment industries in Zip Code 21740 include Health Care & Social Assistance (4,195 | 15.1%), Retail Trade (3,596 | 13.0%), Manufacturing (2,254 | 8.1%), Transportation & Warehousing (2,172 | 7.8%), and Construction (2,149 | 7.7%).
Employment Industries by Sex in Zip Code 21740
The Zip Code 21740 industries that see more men than women are Agriculture, Fishing & Hunting (100.0%), Mining, Quarrying, & Extraction (100.0%), and Enterprise Management (100.0%), whereas the industries that tend to have a higher number of women are Health Care & Social Assistance (86.3%), Finance & Insurance (67.4%), and Educational Services (67.0%).
| Industry | Male | Female |
| Agriculture, Fishing & Hunting | 207 (100.0%) | 0 (0.0%) |
| Mining, Quarrying, & Extraction | 6 (100.0%) | 0 (0.0%) |
| Construction | 1,910 (88.9%) | 239 (11.1%) |
| Manufacturing | 1,683 (74.7%) | 571 (25.3%) |
| Wholesale Trade | 524 (86.3%) | 83 (13.7%) |
| Retail Trade | 1,916 (53.3%) | 1,680 (46.7%) |
| Transportation & Warehousing | 1,612 (74.2%) | 560 (25.8%) |
| Utilities | 84 (38.0%) | 137 (62.0%) |
| Information | 207 (58.6%) | 146 (41.4%) |
| Finance & Insurance | 327 (32.6%) | 676 (67.4%) |
| Real Estate, Rental & Leasing | 179 (65.3%) | 95 (34.7%) |
| Professional & Scientific | 1,065 (63.4%) | 614 (36.6%) |
| Enterprise Management | 200 (100.0%) | 0 (0.0%) |
| Administrative & Support | 1,026 (64.6%) | 563 (35.4%) |
| Educational Services | 698 (33.0%) | 1,419 (67.0%) |
| Health Care & Social Assistance | 577 (13.8%) | 3,618 (86.3%) |
| Arts, Entertainment & Recreation | 245 (52.6%) | 221 (47.4%) |
| Accommodation & Food Services | 719 (45.3%) | 869 (54.7%) |
| Public Administration | 1,012 (53.7%) | 872 (46.3%) |
| Total | 14,888 (53.7%) | 12,852 (46.3%) |
Education in Zip Code 21740
School Enrollment in Zip Code 21740
The most common levels of schooling among the 13,269 students in Zip Code 21740 are high school (3,283 | 24.7%), middle school (3,015 | 22.7%), and elementary school (2,704 | 20.4%).
| School Level | # Students | % Students |
| Nursery / Preschool | 471 | 3.5% |
| Kindergarten | 972 | 7.3% |
| Elementary School | 2,704 | 20.4% |
| Middle School | 3,015 | 22.7% |
| High School | 3,283 | 24.7% |
| College / Undergraduate | 2,404 | 18.1% |
| Graduate / Professional | 420 | 3.2% |
| Total | 13,269 | 100.0% |
School Enrollment by Age by Funding Source in Zip Code 21740
Out of a total of 13,269 students who are enrolled in schools in Zip Code 21740, 2,123 (16.0%) attend a private institution, while the remaining 11,146 (84.0%) are enrolled in public schools. The age group of 3 to 4 year olds has the highest likelihood of being enrolled in private schools, with 150 (45.1% in the age bracket) enrolled. Conversely, the age group of 18 to 19 year olds has the lowest likelihood of being enrolled in a private school, with 704 (93.9% in the age bracket) attending a public institution.
| Age Bracket | Public School | Private School |
| 3 to 4 Year Olds | 183 (54.9%) | 150 (45.1%) |
| 5 to 9 Year Old | 3,065 (84.5%) | 562 (15.5%) |
| 10 to 14 Year Olds | 3,134 (89.9%) | 351 (10.1%) |
| 15 to 17 Year Olds | 1,802 (84.5%) | 331 (15.5%) |
| 18 to 19 Year Olds | 704 (93.9%) | 46 (6.1%) |
| 20 to 24 Year Olds | 931 (78.1%) | 261 (21.9%) |
| 25 to 34 Year Olds | 751 (75.9%) | 239 (24.1%) |
| 35 Years and over | 570 (75.1%) | 189 (24.9%) |
| Total | 11,146 (84.0%) | 2,123 (16.0%) |
Educational Attainment by Field of Study in Zip Code 21740
Education (1,735 | 18.3%), business (1,461 | 15.4%), science & technology (842 | 8.9%), bio, nature & agricultural (678 | 7.1%), and computers & mathematics (628 | 6.6%) are the most common fields of study among 9,499 individuals in Zip Code 21740 who have obtained a bachelor's degree or higher.
| Field of Study | # Graduates | % Graduates |
| Computers & Mathematics | 628 | 6.6% |
| Bio, Nature & Agricultural | 678 | 7.1% |
| Physical & Health Sciences | 202 | 2.1% |
| Psychology | 428 | 4.5% |
| Social Sciences | 621 | 6.5% |
| Engineering | 599 | 6.3% |
| Multidisciplinary Studies | 86 | 0.9% |
| Science & Technology | 842 | 8.9% |
| Business | 1,461 | 15.4% |
| Education | 1,735 | 18.3% |
| Literature & Languages | 541 | 5.7% |
| Liberal Arts & History | 470 | 5.0% |
| Visual & Performing Arts | 365 | 3.8% |
| Communications | 237 | 2.5% |
| Arts & Humanities | 606 | 6.4% |
| Total | 9,499 | 100.0% |
Transportation & Commute in Zip Code 21740
Vehicle Availability by Sex in Zip Code 21740
The most prevalent vehicle ownership categories in Zip Code 21740 are males with 2 vehicles (5,800, accounting for 39.1%) and females with 2 vehicles (4,314, making up 45.9%).
| Vehicles Available | Male | Female |
| No Vehicle | 569 (3.8%) | 848 (6.7%) |
| 1 Vehicle | 2,960 (19.9%) | 3,209 (25.4%) |
| 2 Vehicles | 5,800 (39.1%) | 4,314 (34.1%) |
| 3 Vehicles | 3,382 (22.8%) | 2,951 (23.3%) |
| 4 Vehicles | 1,676 (11.3%) | 1,143 (9.0%) |
| 5 or more Vehicles | 457 (3.1%) | 177 (1.4%) |
| Total | 14,844 (100.0%) | 12,642 (100.0%) |
Commute Time in Zip Code 21740
The most frequently occuring commute durations in Zip Code 21740 are 15 to 19 minutes (4,600 commuters, 18.3%), 10 to 14 minutes (4,462 commuters, 17.8%), and 20 to 24 minutes (2,888 commuters, 11.5%).
| Commute Time | # Commuters | % Commuters |
| Less than 5 Minutes | 758 | 3.0% |
| 5 to 9 Minutes | 2,691 | 10.7% |
| 10 to 14 Minutes | 4,462 | 17.8% |
| 15 to 19 Minutes | 4,600 | 18.3% |
| 20 to 24 Minutes | 2,888 | 11.5% |
| 25 to 29 Minutes | 1,243 | 5.0% |
| 30 to 34 Minutes | 2,352 | 9.4% |
| 35 to 39 Minutes | 554 | 2.2% |
| 40 to 44 Minutes | 1,048 | 4.2% |
| 45 to 59 Minutes | 1,334 | 5.3% |
| 60 to 89 Minutes | 1,298 | 5.2% |
| 90 or more Minutes | 1,848 | 7.4% |
Commute Time by Sex in Zip Code 21740
The most common commute times in Zip Code 21740 are 10 to 14 minutes (2,396 commuters, 17.4%) for males and 15 to 19 minutes (2,410 commuters, 21.2%) for females.
| Commute Time | Male | Female |
| Less than 5 Minutes | 432 (3.2%) | 326 (2.9%) |
| 5 to 9 Minutes | 991 (7.2%) | 1,700 (15.0%) |
| 10 to 14 Minutes | 2,396 (17.4%) | 2,066 (18.2%) |
| 15 to 19 Minutes | 2,190 (16.0%) | 2,410 (21.2%) |
| 20 to 24 Minutes | 1,676 (12.2%) | 1,212 (10.7%) |
| 25 to 29 Minutes | 761 (5.5%) | 482 (4.3%) |
| 30 to 34 Minutes | 1,297 (9.5%) | 1,055 (9.3%) |
| 35 to 39 Minutes | 190 (1.4%) | 364 (3.2%) |
| 40 to 44 Minutes | 572 (4.2%) | 476 (4.2%) |
| 45 to 59 Minutes | 768 (5.6%) | 566 (5.0%) |
| 60 to 89 Minutes | 1,043 (7.6%) | 255 (2.2%) |
| 90 or more Minutes | 1,411 (10.3%) | 437 (3.8%) |
Time of Departure to Work by Sex in Zip Code 21740
The most frequent times of departure to work in Zip Code 21740 are 6:00 AM to 6:29 AM (1,703, 12.4%) for males and 7:00 AM to 7:29 AM (1,646, 14.5%) for females.
| Time of Departure | Male | Female |
| 12:00 AM to 4:59 AM | 1,541 (11.2%) | 534 (4.7%) |
| 5:00 AM to 5:29 AM | 917 (6.7%) | 444 (3.9%) |
| 5:30 AM to 5:59 AM | 800 (5.8%) | 494 (4.3%) |
| 6:00 AM to 6:29 AM | 1,703 (12.4%) | 1,040 (9.2%) |
| 6:30 AM to 6:59 AM | 1,116 (8.1%) | 1,119 (9.9%) |
| 7:00 AM to 7:29 AM | 1,257 (9.2%) | 1,646 (14.5%) |
| 7:30 AM to 7:59 AM | 1,412 (10.3%) | 1,365 (12.0%) |
| 8:00 AM to 8:29 AM | 795 (5.8%) | 1,134 (10.0%) |
| 8:30 AM to 8:59 AM | 498 (3.6%) | 768 (6.8%) |
| 9:00 AM to 9:59 AM | 417 (3.0%) | 507 (4.5%) |
| 10:00 AM to 10:59 AM | 356 (2.6%) | 259 (2.3%) |
| 11:00 AM to 11:59 AM | 175 (1.3%) | 185 (1.6%) |
| 12:00 PM to 3:59 PM | 1,281 (9.3%) | 916 (8.1%) |
| 4:00 PM to 11:59 PM | 1,459 (10.6%) | 938 (8.3%) |
| Total | 13,727 (100.0%) | 11,349 (100.0%) |
Housing Occupancy in Zip Code 21740
Occupancy by Ownership in Zip Code 21740
Of the total 24,818 dwellings in Zip Code 21740, owner-occupied units account for 13,357 (53.8%), while renter-occupied units make up 11,461 (46.2%).
| Occupancy | # Housing Units | % Housing Units |
| Owner Occupied Housing Units | 13,357 | 53.8% |
| Renter-Occupied Housing Units | 11,461 | 46.2% |
| Total Occupied Housing Units | 24,818 | 100.0% |
Occupancy by Household Size in Zip Code 21740
| Household Size | # Housing Units | % Housing Units |
| 1-Person Household | 8,048 | 32.4% |
| 2-Person Household | 7,861 | 31.7% |
| 3-Person Household | 3,759 | 15.1% |
| 4+ Person Household | 5,150 | 20.7% |
| Total Housing Units | 24,818 | 100.0% |
Occupancy by Ownership by Household Size in Zip Code 21740
| Household Size | Owner-occupied | Renter-occupied |
| 1-Person Household | 3,046 (37.9%) | 5,002 (62.2%) |
| 2-Person Household | 4,852 (61.7%) | 3,009 (38.3%) |
| 3-Person Household | 2,083 (55.4%) | 1,676 (44.6%) |
| 4+ Person Household | 3,376 (65.5%) | 1,774 (34.4%) |
| Total Housing Units | 13,357 (53.8%) | 11,461 (46.2%) |
Occupancy by Educational Attainment in Zip Code 21740
| Household Size | Owner-occupied | Renter-occupied |
| Less than High School | 849 (32.3%) | 1,776 (67.7%) |
| High School Diploma | 4,017 (49.9%) | 4,028 (50.1%) |
| College/Associate Degree | 4,171 (49.3%) | 4,283 (50.7%) |
| Bachelor's Degree or higher | 4,320 (75.9%) | 1,374 (24.1%) |
Occupancy by Age of Householder in Zip Code 21740
| Age Bracket | # Households | % Households |
| Under 35 Years | 4,628 | 18.6% |
| 35 to 44 Years | 4,199 | 16.9% |
| 45 to 54 Years | 5,156 | 20.8% |
| 55 to 64 Years | 4,873 | 19.6% |
| 65 to 74 Years | 3,243 | 13.1% |
| 75 to 84 Years | 1,895 | 7.6% |
| 85 Years and Over | 824 | 3.3% |
| Total | 24,818 | 100.0% |
Housing Finances in Zip Code 21740
Median Income by Occupancy in Zip Code 21740
| Occupancy Type | # Households | Median Income |
| Owner-Occupied | 13,357 (53.8%) | $85,978 |
| Renter-Occupied | 11,461 (46.2%) | $36,465 |
| Average | 24,818 (100.0%) | $57,150 |
Occupancy by Householder Income Bracket in Zip Code 21740
| Income Bracket | Owner-occupied | Renter-occupied |
| Less than $5,000 | 173 (1.3%) | 577 (5.0%) |
| $5,000 to $9,999 | 154 (1.1%) | 322 (2.8%) |
| $10,000 to $14,999 | 110 (0.8%) | 1,351 (11.8%) |
| $15,000 to $19,999 | 290 (2.2%) | 909 (7.9%) |
| $20,000 to $24,999 | 350 (2.6%) | 777 (6.8%) |
| $25,000 to $34,999 | 1,055 (7.9%) | 1,597 (13.9%) |
| $35,000 to $49,999 | 1,508 (11.3%) | 1,666 (14.5%) |
| $50,000 to $74,999 | 2,319 (17.4%) | 1,903 (16.6%) |
| $75,000 to $99,999 | 1,839 (13.8%) | 1,096 (9.6%) |
| $100,000 to $149,999 | 2,832 (21.2%) | 904 (7.9%) |
| $150,000 or more | 2,727 (20.4%) | 359 (3.1%) |
| Total | 13,357 (100.0%) | 11,461 (100.0%) |
Monthly Housing Cost Tiers in Zip Code 21740
| Monthly Cost | Owner-occupied | Renter-occupied |
| Less than $300 | 253 (1.9%) | 487 (4.3%) |
| $300 to $499 | 2,113 (15.8%) | 808 (7.0%) |
| $500 to $799 | 2,289 (17.1%) | 2,709 (23.6%) |
| $800 to $999 | 856 (6.4%) | 1,688 (14.7%) |
| $1,000 to $1,499 | 2,929 (21.9%) | 3,959 (34.5%) |
| $1,500 to $1,999 | 2,292 (17.2%) | 1,156 (10.1%) |
| $2,000 to $2,499 | 1,354 (10.1%) | 263 (2.3%) |
| $2,500 to $2,999 | 688 (5.1%) | 88 (0.8%) |
| $3,000 or more | 583 (4.4%) | 5 (0.0%) |
| Total | 13,357 (100.0%) | 11,461 (100.0%) |
Physical Housing Characteristics in Zip Code 21740
Housing Structures in Zip Code 21740
| Structure Type | # Housing Units | % Housing Units |
| Single Unit, Detached | 12,399 | 50.0% |
| Single Unit, Attached | 5,540 | 22.3% |
| 2 Unit Apartments | 1,134 | 4.6% |
| 3 or 4 Unit Apartments | 1,288 | 5.2% |
| 5 to 9 Unit Apartments | 1,446 | 5.8% |
| 10 or more Apartments | 2,561 | 10.3% |
| Mobile Home / Other | 450 | 1.8% |
| Total | 24,818 | 100.0% |
Housing Structures by Occupancy in Zip Code 21740
| Structure Type | Owner-occupied | Renter-occupied |
| Single Unit, Detached | 10,214 (82.4%) | 2,185 (17.6%) |
| Single Unit, Attached | 2,391 (43.2%) | 3,149 (56.8%) |
| 2 Unit Apartments | 66 (5.8%) | 1,068 (94.2%) |
| 3 or 4 Unit Apartments | 49 (3.8%) | 1,239 (96.2%) |
| 5 to 9 Unit Apartments | 70 (4.8%) | 1,376 (95.2%) |
| 10 or more Apartments | 247 (9.6%) | 2,314 (90.4%) |
| Mobile Home / Other | 320 (71.1%) | 130 (28.9%) |
| Total | 13,357 (53.8%) | 11,461 (46.2%) |
Housing Structures by Number of Rooms in Zip Code 21740
| Number of Rooms | Owner-occupied | Renter-occupied |
| 1 Room | 49 (0.4%) | 502 (4.4%) |
| 2 or 3 Rooms | 232 (1.7%) | 2,493 (21.7%) |
| 4 or 5 Rooms | 3,059 (22.9%) | 5,069 (44.2%) |
| 6 or 7 Rooms | 5,571 (41.7%) | 2,861 (25.0%) |
| 8 or more Rooms | 4,446 (33.3%) | 536 (4.7%) |
| Total | 13,357 (100.0%) | 11,461 (100.0%) |
Housing Structure by Heating Type in Zip Code 21740
| Heating Type | Owner-occupied | Renter-occupied |
| Utility Gas | 4,677 (35.0%) | 3,119 (27.2%) |
| Bottled, Tank, or LP Gas | 585 (4.4%) | 239 (2.1%) |
| Electricity | 5,189 (38.9%) | 6,787 (59.2%) |
| Fuel Oil or Kerosene | 2,608 (19.5%) | 1,124 (9.8%) |
| Coal or Coke | 0 (0.0%) | 0 (0.0%) |
| All other Fuels | 240 (1.8%) | 113 (1.0%) |
| No Fuel Used | 58 (0.4%) | 79 (0.7%) |
| Total | 13,357 (100.0%) | 11,461 (100.0%) |
Household Vehicle Usage in Zip Code 21740
| Vehicles per Household | Owner-occupied | Renter-occupied |
| No Vehicle | 263 (2.0%) | 2,908 (25.4%) |
| 1 Vehicle | 3,390 (25.4%) | 5,175 (45.2%) |
| 2 Vehicles | 5,807 (43.5%) | 2,436 (21.2%) |
| 3 or more Vehicles | 3,897 (29.2%) | 942 (8.2%) |
| Total | 13,357 (100.0%) | 11,461 (100.0%) |
Real Estate & Mortgages in Zip Code 21740
Real Estate and Mortgage Overview in Zip Code 21740
| Characteristic | Without Mortgage | With Mortgage |
| Housing Units | 4,623 | 8,734 |
| Median Property Value | $210,600 | $236,300 |
| Median Household Income | $58,688 | $2,065 |
| Monthly Housing Costs | $504 | $571 |
| Real Estate Taxes | $2,066 | $229 |
Property Value by Mortgage Status in Zip Code 21740
| Property Value | Without Mortgage | With Mortgage |
| Less than $50,000 | 288 (6.2%) | 115 (1.3%) |
| $50,000 to $99,999 | 509 (11.0%) | 605 (6.9%) |
| $100,000 to $299,999 | 2,546 (55.1%) | 5,229 (59.9%) |
| $300,000 to $499,999 | 904 (19.6%) | 2,210 (25.3%) |
| $500,000 to $749,999 | 112 (2.4%) | 456 (5.2%) |
| $750,000 to $999,999 | 115 (2.5%) | 73 (0.8%) |
| $1,000,000 or more | 149 (3.2%) | 46 (0.5%) |
| Total | 4,623 (100.0%) | 8,734 (100.0%) |
Household Income by Mortgage Status in Zip Code 21740
| Household Income | Without Mortgage | With Mortgage |
| Less than $10,000 | 272 (5.9%) | 222 (2.5%) |
| $10,000 to $24,999 | 353 (7.6%) | 55 (0.6%) |
| $25,000 to $34,999 | 578 (12.5%) | 397 (4.5%) |
| $35,000 to $49,999 | 762 (16.5%) | 477 (5.5%) |
| $50,000 to $74,999 | 898 (19.4%) | 746 (8.5%) |
| $75,000 to $99,999 | 563 (12.2%) | 1,421 (16.3%) |
| $100,000 to $149,999 | 535 (11.6%) | 1,276 (14.6%) |
| $150,000 or more | 662 (14.3%) | 2,297 (26.3%) |
| Total | 4,623 (100.0%) | 8,734 (100.0%) |
Property Value to Household Income Ratio in Zip Code 21740
| Value-to-Income Ratio | Without Mortgage | With Mortgage |
| Less than 2.0x | 1,352 (29.2%) | 99,844 (1,143.2%) |
| 2.0x to 2.9x | 731 (15.8%) | 2,850 (32.6%) |
| 3.0x to 3.9x | 646 (14.0%) | 2,358 (27.0%) |
| 4.0x or more | 1,780 (38.5%) | 1,321 (15.1%) |
| Total | 4,623 (100.0%) | 8,734 (100.0%) |
Real Estate Taxes by Mortgage Status in Zip Code 21740
| Property Taxes | Without Mortgage | With Mortgage |
| Less than $800 | 138 (3.0%) | 15 (0.2%) |
| $800 to $1,499 | 693 (15.0%) | 303 (3.5%) |
| $800 to $1,499 | 3,574 (77.3%) | 1,464 (16.8%) |
| Total | 4,623 (100.0%) | 8,734 (100.0%) |
Health & Disability in Zip Code 21740
Health Insurance Coverage by Age in Zip Code 21740
| Age Bracket | With Coverage | Without Coverage |
| Under 6 Years | 4,500 (98.7%) | 60 (1.3%) |
| 6 to 18 Years | 9,559 (98.3%) | 168 (1.7%) |
| 19 to 25 Years | 4,576 (87.9%) | 628 (12.1%) |
| 26 to 34 Years | 5,953 (90.2%) | 644 (9.8%) |
| 35 to 44 Years | 6,601 (87.9%) | 906 (12.1%) |
| 45 to 54 Years | 7,911 (96.2%) | 314 (3.8%) |
| 55 to 64 Years | 7,151 (93.9%) | 465 (6.1%) |
| 65 to 74 Years | 5,456 (99.4%) | 35 (0.6%) |
| 75 Years and older | 4,079 (99.0%) | 42 (1.0%) |
| Total | 55,786 (94.5%) | 3,262 (5.5%) |
Health Insurance Coverage by Citizenship Status in Zip Code 21740
| Citizenship Status | With Coverage | Without Coverage |
| Native Born | 4,500 (98.7%) | 60 (1.3%) |
| Foreign Born, Citizen | 9,559 (98.3%) | 168 (1.7%) |
| Foreign Born, not a Citizen | 4,576 (87.9%) | 628 (12.1%) |
Health Insurance Coverage by Household Income in Zip Code 21740
| Household Income | With Coverage | Without Coverage |
| Under $25,000 | 7,123 (93.7%) | 478 (6.3%) |
| $25,000 to $49,999 | 12,035 (93.9%) | 784 (6.1%) |
| $50,000 to $74,999 | 9,147 (91.1%) | 898 (8.9%) |
| $75,000 to $99,999 | 7,238 (95.2%) | 362 (4.8%) |
| $100,000 and over | 19,802 (96.5%) | 727 (3.5%) |
Public vs Private Health Insurance Coverage by Age in Zip Code 21740
| Age Bracket | Public Insurance | Private Insurance |
| Under 6 | 2,774 (60.8%) | 1,953 (42.8%) |
| 6 to 18 Years | 5,528 (56.8%) | 4,339 (44.6%) |
| 19 to 25 Years | 1,464 (28.1%) | 3,354 (64.4%) |
| 25 to 34 Years | 2,594 (39.3%) | 3,751 (56.9%) |
| 35 to 44 Years | 2,222 (29.6%) | 4,725 (62.9%) |
| 45 to 54 Years | 2,312 (28.1%) | 5,977 (72.7%) |
| 55 to 64 Years | 2,505 (32.9%) | 5,309 (69.7%) |
| 65 to 74 Years | 5,238 (95.4%) | 3,723 (67.8%) |
| 75 Years and over | 4,054 (98.4%) | 2,890 (70.1%) |
| Total | 28,691 (48.6%) | 36,021 (61.0%) |
Disability Status by Sex by Age in Zip Code 21740
| Age Bracket | Male | Female |
| Under 5 Years | 0 (0.0%) | 0 (0.0%) |
| 5 to 17 Years | 774 (15.9%) | 407 (7.9%) |
| 18 to 34 Years | 642 (11.0%) | 853 (12.8%) |
| 35 to 64 Years | 2,108 (17.8%) | 2,464 (21.4%) |
| 65 to 74 Years | 720 (27.9%) | 930 (32.0%) |
| 75 Years and over | 826 (49.6%) | 1,080 (44.0%) |
Disability Class by Sex by Age in Zip Code 21740
Disability Class: Hearing Difficulty
| Age Bracket | Male | Female |
| Under 5 Years | 0 (0.0%) | 0 (0.0%) |
| 5 to 17 Years | 0 (0.0%) | 0 (0.0%) |
| 18 to 34 Years | 36 (0.6%) | 60 (0.9%) |
| 35 to 64 Years | 337 (2.9%) | 315 (2.7%) |
| 65 to 74 Years | 198 (7.7%) | 155 (5.3%) |
| 75 Years and over | 570 (34.2%) | 464 (18.9%) |
Disability Class: Vision Difficulty
| Age Bracket | Male | Female |
| Under 5 Years | 0 (0.0%) | 0 (0.0%) |
| 5 to 17 Years | 56 (1.1%) | 58 (1.1%) |
| 18 to 34 Years | 142 (2.4%) | 309 (4.6%) |
| 35 to 64 Years | 268 (2.3%) | 392 (3.4%) |
| 65 to 74 Years | 103 (4.0%) | 121 (4.2%) |
| 75 Years and over | 137 (8.2%) | 134 (5.5%) |
Disability Class: Cognitive Difficulty
| Age Bracket | Male | Female |
| 5 to 17 Years | 713 (14.6%) | 305 (5.9%) |
| 18 to 34 Years | 375 (6.4%) | 551 (8.3%) |
| 35 to 64 Years | 978 (8.3%) | 1,190 (10.3%) |
| 65 to 74 Years | 131 (5.1%) | 188 (6.5%) |
| 75 Years and over | 229 (13.8%) | 192 (7.8%) |
Disability Class: Ambulatory Difficulty
| Age Bracket | Male | Female |
| 5 to 17 Years | 0 (0.0%) | 114 (2.2%) |
| 18 to 34 Years | 117 (2.0%) | 140 (2.1%) |
| 35 to 64 Years | 1,004 (8.5%) | 1,541 (13.4%) |
| 65 to 74 Years | 472 (18.3%) | 715 (24.6%) |
| 75 Years and over | 535 (32.1%) | 795 (32.4%) |
Disability Class: Self-Care Difficulty
| Age Bracket | Male | Female |
| 5 to 17 Years | 77 (1.6%) | 72 (1.4%) |
| 18 to 34 Years | 44 (0.7%) | 51 (0.8%) |
| 35 to 64 Years | 308 (2.6%) | 418 (3.6%) |
| 65 to 74 Years | 135 (5.2%) | 194 (6.7%) |
| 75 Years and over | 211 (12.7%) | 204 (8.3%) |
Technology Access in Zip Code 21740
Computing Device Access in Zip Code 21740
| Device Type | # Households | % Households |
| Desktop or Laptop | 18,057 | 72.8% |
| Smartphone | 20,910 | 84.3% |
| Tablet | 14,574 | 58.7% |
| No Computing Device | 1,964 | 7.9% |
| Total | 24,818 | 100.0% |
Internet Access in Zip Code 21740
| Internet Type | # Households | % Households |
| Dial-Up Internet | 44 | 0.2% |
| Broadband Home | 17,420 | 70.2% |
| Cellular Data Only | 3,042 | 12.3% |
| Satellite Internet | 1,342 | 5.4% |
| No Internet | 3,769 | 15.2% |
| Total | 24,818 | 100.0% |
Common Questions
What is the Total Population of Zip Code 21740?
Total Population of Zip Code 21740 is 62,760.
What is the Total Male Population of Zip Code 21740?
Total Male Population of Zip Code 21740 is 31,718.
What is the Total Female Population of Zip Code 21740?
Total Female Population of Zip Code 21740 is 31,042.
What is the Ratio of Males per 100 Females in Zip Code 21740?
There are 102.18 Males per 100 Females in Zip Code 21740.
What is the Ratio of Females per 100 Males in Zip Code 21740?
There are 97.87 Females per 100 Males in Zip Code 21740.
What is the Median Population Age in Zip Code 21740?
Median Population Age in Zip Code 21740 is 39.3 Years.
What is the Average Family Size in Zip Code 21740
Average Family Size in Zip Code 21740 is 3.0 People.
What is the Average Household Size in Zip Code 21740
Average Household Size in Zip Code 21740 is 2.4 People.
What is Per Capita Income in Zip Code 21740?
Per Capita income in Zip Code 21740 is $32,126.
What is the Median Family Income in Zip Code 21740?
Median Family Income in Zip Code 21740 is $75,601.
What is the Median Household income in Zip Code 21740?
Median Household Income in Zip Code 21740 is $57,150.
What is Income or Wage Gap in Zip Code 21740?
Income or Wage Gap in Zip Code 21740 is 28.8%.
Women in Zip Code 21740 earn 71.2 cents for every dollar earned by a man.
What is Family Income Deficit in Zip Code 21740?
Family Income Deficit in Zip Code 21740 is $9,723.
Families that are below poverty line in Zip Code 21740 earn $9,723 less on average than the poverty threshold level.
What is Inequality or Gini Index in Zip Code 21740?
Inequality or Gini Index in Zip Code 21740 is 0.46.
How Large is the Labor Force in Zip Code 21740?
There are 29,614 People in the Labor Forcein in Zip Code 21740.
What is the Percentage of People in the Labor Force in Zip Code 21740?
58.6% of People are in the Labor Force in Zip Code 21740.
What is the Unemployment Rate in Zip Code 21740?
Unemployment Rate in Zip Code 21740 is 5.6%.