Immigrants from Portugal vs Blackfeet Married-couple Households

The statistical analysis conducted on geographies consisting of 174,766,894 people shows a mild negative correlation between the proportion of Immigrants from Portugal and percentage of married-couple family households in the United States with a correlation coefficient (R) of -0.375 and weighted average of 45.2%. Similarly, the statistical analysis conducted on geographies consisting of 309,469,352 people shows a weak negative correlation between the proportion of Blackfeet and percentage of married-couple family households in the United States with a correlation coefficient (R) of -0.270 and weighted average of 43.8%, a difference of 3.3%.

Married-couple Households Correlation Summary

Measurement	Immigrants from Portugal	Blackfeet
Minimum	13.2%	7.3%
Maximum	73.9%	74.0%
Range	60.7%	66.7%
Mean	44.7%	41.7%
Median	46.8%	42.7%
Interquartile 25% (IQ1)	38.8%	33.0%
Interquartile 75% (IQ3)	51.9%	48.8%
Interquartile Range (IQR)	13.1%	15.8%
Standard Deviation (Sample)	11.7%	14.3%
Standard Deviation (Population)	11.6%	14.1%

Similar Demographics by Married-couple Households

Demographics Similar to Immigrants from Portugal by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Portugal are Immigrants from Nepal (45.2%, a difference of 0.0%), Japanese (45.2%, a difference of 0.020%), Panamanian (45.2%, a difference of 0.020%), Yakama (45.2%, a difference of 0.050%), and Immigrants from the Azores (45.2%, a difference of 0.050%).

Demographics	Rating \| Rank	Married-couple Households
Immigrants \| Uzbekistan	8.4 /100 \| #209	Tragic 45.4%
Cubans	7.7 /100 \| #210	Tragic 45.4%
Immigrants \| Spain	7.3 /100 \| #211	Tragic 45.3%
Creek	6.4 /100 \| #212	Tragic 45.3%
Yakama	5.8 /100 \| #213	Tragic 45.2%
Japanese	5.7 /100 \| #214	Tragic 45.2%
Immigrants \| Nepal	5.6 /100 \| #215	Tragic 45.2%
Immigrants \| Portugal	5.6 /100 \| #216	Tragic 45.2%
Panamanians	5.5 /100 \| #217	Tragic 45.2%
Immigrants \| Azores	5.3 /100 \| #218	Tragic 45.2%
Nicaraguans	5.3 /100 \| #219	Tragic 45.2%
Immigrants \| Thailand	5.1 /100 \| #220	Tragic 45.2%
Tlingit-Haida	4.9 /100 \| #221	Tragic 45.1%
Immigrants \| Laos	4.6 /100 \| #222	Tragic 45.1%
Immigrants \| Cambodia	2.7 /100 \| #223	Tragic 44.9%

Demographics Similar to Blackfeet by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Blackfeet are Central American Indian (43.8%, a difference of 0.040%), Iroquois (43.7%, a difference of 0.070%), Immigrants from Cameroon (43.7%, a difference of 0.15%), Ugandan (43.8%, a difference of 0.16%), and Alaskan Athabascan (43.6%, a difference of 0.28%).

Demographics	Rating \| Rank	Married-couple Households
French American Indians	0.4 /100 \| #250	Tragic 44.1%
German Russians	0.4 /100 \| #251	Tragic 44.0%
Seminole	0.4 /100 \| #252	Tragic 44.0%
Central Americans	0.3 /100 \| #253	Tragic 43.9%
Apache	0.3 /100 \| #254	Tragic 43.9%
Shoshone	0.3 /100 \| #255	Tragic 43.9%
Ugandans	0.3 /100 \| #256	Tragic 43.8%
Blackfeet	0.2 /100 \| #257	Tragic 43.8%
Central American Indians	0.2 /100 \| #258	Tragic 43.8%
Iroquois	0.2 /100 \| #259	Tragic 43.7%
Immigrants \| Cameroon	0.2 /100 \| #260	Tragic 43.7%
Alaskan Athabascans	0.2 /100 \| #261	Tragic 43.6%
Vietnamese	0.2 /100 \| #262	Tragic 43.6%
Cree	0.1 /100 \| #263	Tragic 43.6%
Bangladeshis	0.1 /100 \| #264	Tragic 43.5%