Puget Sound Salish vs Immigrants from Costa Rica Median Household Income

The statistical analysis conducted on geographies consisting of 46,152,941 people shows a poor negative correlation between the proportion of Puget Sound Salish and median household income in the United States with a correlation coefficient (R) of -0.198 and weighted average of $84,011. Similarly, the statistical analysis conducted on geographies consisting of 204,222,655 people shows a poor positive correlation between the proportion of Immigrants from Costa Rica and median household income in the United States with a correlation coefficient (R) of 0.170 and weighted average of $85,054, a difference of 1.2%.

In terms of median household income, the demographic groups most similar to Puget Sound Salish are Belgian ($84,008, a difference of 0.0%), Tlingit-Haida ($83,968, a difference of 0.050%), Kenyan ($84,085, a difference of 0.090%), Immigrants from Colombia ($83,902, a difference of 0.13%), and Slovak ($83,798, a difference of 0.25%). Similarly, the demographic groups most similar to Immigrants from Costa Rica are Alsatian ($85,053, a difference of 0.0%), Immigrants from Eritrea ($85,025, a difference of 0.030%), Scottish ($85,101, a difference of 0.050%), Czechoslovakian ($84,965, a difference of 0.10%), and English ($84,915, a difference of 0.16%).