Immigrants from Portugal vs Subsaharan African Median Family Income

The statistical analysis conducted on geographies consisting of 174,753,640 people shows a moderate negative correlation between the proportion of Immigrants from Portugal and median family income in the United States with a correlation coefficient (R) of -0.471 and weighted average of $100,984. Similarly, the statistical analysis conducted on geographies consisting of 507,233,451 people shows a substantial negative correlation between the proportion of Sub-Saharan Africans and median family income in the United States with a correlation coefficient (R) of -0.593 and weighted average of $93,748, a difference of 7.7%.

Median Family Income Correlation Summary

Measurement	Immigrants from Portugal	Subsaharan African
Minimum	$29,911	$31,084
Maximum	$141,703	$126,507
Range	$111,792	$95,423
Mean	$95,434	$80,060
Median	$98,112	$85,890
Interquartile 25% (IQ1)	$73,840	$63,281
Interquartile 75% (IQ3)	$114,950	$94,886
Interquartile Range (IQR)	$41,110	$31,605
Standard Deviation (Sample)	$25,863	$22,942
Standard Deviation (Population)	$25,663	$22,778

Similar Demographics by Median Family Income

Demographics Similar to Immigrants from Portugal by Median Family Income

In terms of median family income, the demographic groups most similar to Immigrants from Portugal are Immigrants ($100,962, a difference of 0.020%), Guamanian/Chamorro ($101,061, a difference of 0.080%), Tlingit-Haida ($101,092, a difference of 0.11%), Celtic ($101,139, a difference of 0.15%), and Dutch ($101,192, a difference of 0.21%).

Demographics	Rating \| Rank	Median Family Income
Tsimshian	35.9 /100 \| #182	Fair $101,543
Kenyans	34.5 /100 \| #183	Fair $101,417
Immigrants \| Costa Rica	33.7 /100 \| #184	Fair $101,354
Dutch	31.9 /100 \| #185	Fair $101,192
Celtics	31.3 /100 \| #186	Fair $101,139
Tlingit-Haida	30.8 /100 \| #187	Fair $101,092
Guamanians/Chamorros	30.5 /100 \| #188	Fair $101,061
Immigrants \| Portugal	29.6 /100 \| #189	Fair $100,984
Immigrants \| Immigrants	29.4 /100 \| #190	Fair $100,962
Colombians	27.2 /100 \| #191	Fair $100,750
Immigrants \| Kenya	26.5 /100 \| #192	Fair $100,679
Iraqis	26.3 /100 \| #193	Fair $100,658
Uruguayans	26.3 /100 \| #194	Fair $100,656
Immigrants \| South America	23.9 /100 \| #195	Fair $100,414
Samoans	23.3 /100 \| #196	Fair $100,344

Demographics Similar to Sub-Saharan Africans by Median Family Income

In terms of median family income, the demographic groups most similar to Sub-Saharan Africans are German Russian ($93,858, a difference of 0.12%), Immigrants from Middle Africa ($93,593, a difference of 0.17%), Barbadian ($93,919, a difference of 0.18%), Immigrants from Trinidad and Tobago ($93,988, a difference of 0.26%), and Somali ($94,085, a difference of 0.36%).

Demographics	Rating \| Rank	Median Family Income
Alaskan Athabascans	1.5 /100 \| #237	Tragic $94,429
Nepalese	1.3 /100 \| #238	Tragic $94,153
Salvadorans	1.2 /100 \| #239	Tragic $94,109
Somalis	1.2 /100 \| #240	Tragic $94,085
Immigrants \| Trinidad and Tobago	1.2 /100 \| #241	Tragic $93,988
Barbadians	1.1 /100 \| #242	Tragic $93,919
German Russians	1.1 /100 \| #243	Tragic $93,858
Sub-Saharan Africans	1.0 /100 \| #244	Tragic $93,748
Immigrants \| Middle Africa	1.0 /100 \| #245	Tragic $93,593
Guyanese	0.9 /100 \| #246	Tragic $93,373
Immigrants \| Senegal	0.7 /100 \| #247	Tragic $92,912
French American Indians	0.7 /100 \| #248	Tragic $92,872
Immigrants \| Ecuador	0.7 /100 \| #249	Tragic $92,837
West Indians	0.6 /100 \| #250	Tragic $92,765
Immigrants \| Somalia	0.6 /100 \| #251	Tragic $92,609