Kansas counties ranked by per capita income [edit]. See also: United States counties by per capita income. Note: Data is from the 2010 United States Census Data and the 2006-2010 American Community Survey 5-Year Estimates.ansas counties ranked by per capita income [edit]. See also: United States counties by per capita income. Note: Data is from the 2010 United States Census Data and the 2006-2010 American Community Survey 5-Year Estimates.