QuickFacts

Population per square mile in New York is

411.2

The population of California is

39,144,818

Median household income of Pennsylvania is

$53,115

The population of Ohio is

11,613,423

12.5%

of persons in Illinois are 65 years and over

Population per square mile in San Diego County, California is

735.8

23.7%

of persons in Ohio are under 18 years

The population of Illinois is

12,859,995

26.4%

of persons in Maricopa County, Arizona are under 18 years

11.4%

of persons in California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census