Blackfeet vs Immigrants from Portugal Per Capita Income

The statistical analysis conducted on geographies consisting of 309,586,612 people shows a substantial negative correlation between the proportion of Blackfeet and per capita income in the United States with a correlation coefficient (R) of -0.589 and weighted average of $37,695. Similarly, the statistical analysis conducted on geographies consisting of 174,792,548 people shows a slight negative correlation between the proportion of Immigrants from Portugal and per capita income in the United States with a correlation coefficient (R) of -0.063 and weighted average of $42,412, a difference of 12.5%.

Per Capita Income Correlation Summary

Measurement	Blackfeet	Immigrants from Portugal
Minimum	$7,946	$13,756
Maximum	$59,700	$67,338
Range	$51,754	$53,582
Mean	$26,182	$40,766
Median	$27,256	$41,948
Interquartile 25% (IQ1)	$18,286	$34,644
Interquartile 75% (IQ3)	$30,810	$48,401
Interquartile Range (IQR)	$12,524	$13,757
Standard Deviation (Sample)	$9,146	$10,670
Standard Deviation (Population)	$9,059	$10,597

Similar Demographics by Per Capita Income

Demographics Similar to Blackfeet by Per Capita Income

In terms of per capita income, the demographic groups most similar to Blackfeet are Dominican ($37,697, a difference of 0.0%), Central American Indian ($37,699, a difference of 0.010%), Guatemalan ($37,766, a difference of 0.19%), African ($37,785, a difference of 0.24%), and U.S. Virgin Islander ($37,589, a difference of 0.28%).

Demographics	Rating \| Rank	Per Capita Income
Immigrants \| Dominica	0.2 /100 \| #281	Tragic $37,952
Immigrants \| Laos	0.1 /100 \| #282	Tragic $37,857
Pennsylvania Germans	0.1 /100 \| #283	Tragic $37,842
Africans	0.1 /100 \| #284	Tragic $37,785
Guatemalans	0.1 /100 \| #285	Tragic $37,766
Central American Indians	0.1 /100 \| #286	Tragic $37,699
Dominicans	0.1 /100 \| #287	Tragic $37,697
Blackfeet	0.1 /100 \| #288	Tragic $37,695
U.S. Virgin Islanders	0.1 /100 \| #289	Tragic $37,589
Immigrants \| Guatemala	0.1 /100 \| #290	Tragic $37,550
Cajuns	0.1 /100 \| #291	Tragic $37,527
Immigrants \| Micronesia	0.1 /100 \| #292	Tragic $37,464
Mexican American Indians	0.1 /100 \| #293	Tragic $37,407
Cubans	0.1 /100 \| #294	Tragic $37,383
Immigrants \| Dominican Republic	0.1 /100 \| #295	Tragic $37,306

Demographics Similar to Immigrants from Portugal by Per Capita Income

In terms of per capita income, the demographic groups most similar to Immigrants from Portugal are Barbadian ($42,406, a difference of 0.010%), Vietnamese ($42,368, a difference of 0.10%), Immigrants from Thailand ($42,289, a difference of 0.29%), Immigrants from Bosnia and Herzegovina ($42,278, a difference of 0.32%), and Scotch-Irish ($42,563, a difference of 0.36%).

Demographics	Rating \| Rank	Per Capita Income
Yugoslavians	27.4 /100 \| #191	Fair $42,792
Iraqis	26.7 /100 \| #192	Fair $42,760
Immigrants \| Sierra Leone	26.5 /100 \| #193	Fair $42,752
Immigrants \| Fiji	25.2 /100 \| #194	Fair $42,694
Immigrants \| Kenya	24.5 /100 \| #195	Fair $42,661
Dutch	23.4 /100 \| #196	Fair $42,605
Scotch-Irish	22.6 /100 \| #197	Fair $42,563
Immigrants \| Portugal	19.7 /100 \| #198	Poor $42,412
Barbadians	19.6 /100 \| #199	Poor $42,406
Vietnamese	19.0 /100 \| #200	Poor $42,368
Immigrants \| Thailand	17.6 /100 \| #201	Poor $42,289
Immigrants \| Bosnia and Herzegovina	17.5 /100 \| #202	Poor $42,278
Spanish	17.0 /100 \| #203	Poor $42,249
Aleuts	16.4 /100 \| #204	Poor $42,210
Whites/Caucasians	15.9 /100 \| #205	Poor $42,180