South American Indian vs Immigrants from Portugal Median Family Income

The statistical analysis conducted on geographies consisting of 164,518,515 people shows a poor negative correlation between the proportion of South American Indians and median family income in the United States with a correlation coefficient (R) of -0.185 and weighted average of $103,624. Similarly, 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, a difference of 2.6%.

Median Family Income Correlation Summary

Measurement	South American Indian	Immigrants from Portugal
Minimum	$48,893	$29,911
Maximum	$160,228	$141,703
Range	$111,335	$111,792
Mean	$95,594	$95,434
Median	$97,421	$98,112
Interquartile 25% (IQ1)	$81,563	$73,840
Interquartile 75% (IQ3)	$109,158	$114,950
Interquartile Range (IQR)	$27,595	$41,110
Standard Deviation (Sample)	$24,795	$25,863
Standard Deviation (Population)	$24,467	$25,663

Similar Demographics by Median Family Income

Demographics Similar to South American Indians by Median Family Income

In terms of median family income, the demographic groups most similar to South American Indians are English ($103,684, a difference of 0.060%), Immigrants from Peru ($103,534, a difference of 0.090%), Slovak ($103,729, a difference of 0.10%), Sierra Leonean ($103,859, a difference of 0.23%), and Czechoslovakian ($103,273, a difference of 0.34%).

Demographics	Rating \| Rank	Median Family Income
Scottish	69.5 /100 \| #160	Good $104,288
Icelanders	69.4 /100 \| #161	Good $104,282
Immigrants \| Sierra Leone	66.2 /100 \| #162	Good $103,990
Costa Ricans	66.2 /100 \| #163	Good $103,989
Sierra Leoneans	64.7 /100 \| #164	Good $103,859
Slovaks	63.1 /100 \| #165	Good $103,729
English	62.6 /100 \| #166	Good $103,684
South American Indians	61.9 /100 \| #167	Good $103,624
Immigrants \| Peru	60.8 /100 \| #168	Good $103,534
Czechoslovakians	57.6 /100 \| #169	Average $103,273
Immigrants \| Uzbekistan	56.6 /100 \| #170	Average $103,197
Alsatians	54.3 /100 \| #171	Average $103,010
Immigrants \| Eritrea	51.9 /100 \| #172	Average $102,823
Belgians	51.4 /100 \| #173	Average $102,788
Finns	50.0 /100 \| #174	Average $102,676

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