QuickFacts

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Pennsylvania is

283.9

13.8%

of persons in Michigan are 65 years and over

31.4%

of persons 25 years+ in California have a bachelor's degree or higher

Population per square mile in Illinois is

231.1

14.1%

of persons in Ohio are 65 years and over

Median household income of Los Angeles County, California is

$56,196

The population of Texas is

27,862,596

11.4%

of persons in San Diego County, California are 65 years and over

24.4%

of persons in Illinois are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census