Immigrants from Ireland vs Blackfeet Married-couple Households

The statistical analysis conducted on geographies consisting of 240,743,344 people shows a poor positive correlation between the proportion of Immigrants from Ireland and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.131 and weighted average of 48.0%. 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 9.7%.

Married-couple Households Correlation Summary

Measurement	Immigrants from Ireland	Blackfeet
Minimum	32.8%	7.3%
Maximum	80.3%	74.0%
Range	47.5%	66.7%
Mean	54.1%	41.7%
Median	51.9%	42.7%
Interquartile 25% (IQ1)	47.4%	33.0%
Interquartile 75% (IQ3)	60.2%	48.8%
Interquartile Range (IQR)	12.8%	15.8%
Standard Deviation (Sample)	9.2%	14.3%
Standard Deviation (Population)	9.1%	14.1%

Similar Demographics by Married-couple Households

Demographics Similar to Immigrants from Ireland by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Ireland are Afghan (48.0%, a difference of 0.0%), Belgian (48.0%, a difference of 0.010%), Cypriot (48.0%, a difference of 0.030%), Immigrants from Israel (48.0%, a difference of 0.040%), and French (48.0%, a difference of 0.050%).

Demographics	Rating \| Rank	Married-couple Households
Russians	98.1 /100 \| #80	Exceptional 48.2%
Finns	98.0 /100 \| #81	Exceptional 48.1%
Immigrants \| Poland	97.7 /100 \| #82	Exceptional 48.1%
Guamanians/Chamorros	97.6 /100 \| #83	Exceptional 48.1%
Ukrainians	97.6 /100 \| #84	Exceptional 48.1%
Immigrants \| Israel	97.4 /100 \| #85	Exceptional 48.0%
Belgians	97.4 /100 \| #86	Exceptional 48.0%
Immigrants \| Ireland	97.3 /100 \| #87	Exceptional 48.0%
Afghans	97.3 /100 \| #88	Exceptional 48.0%
Cypriots	97.2 /100 \| #89	Exceptional 48.0%
French	97.2 /100 \| #90	Exceptional 48.0%
Immigrants \| Moldova	97.0 /100 \| #91	Exceptional 48.0%
Palestinians	96.9 /100 \| #92	Exceptional 48.0%
Lebanese	96.9 /100 \| #93	Exceptional 47.9%
Americans	96.9 /100 \| #94	Exceptional 47.9%

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%