QuickFacts

23.1%

of persons in Los Angeles city, California are under 18 years

Population per square mile in Pennsylvania is

283.9

11.4%

of persons in California are 65 years and over

Population per square mile in Illinois is

231.1

Median household income of San Diego County, California is

$64,309

The population of California is

39,250,017

23.7%

of persons in Michigan are under 18 years

Median household income of Michigan is

$49,576

11.9%

of persons in Cook County, Illinois are 65 years and over

13.5%

of persons in New York are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census