QuickFacts

The population of Pennsylvania is

12,784,227

24.5%

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

24.4%

of persons in Illinois are under 18 years

23.7%

of persons in Michigan are under 18 years

Population per square mile in Illinois is

231.1

25.9%

of persons in Houston city, Texas are under 18 years

Median household income of Pennsylvania is

$53,599

The population of Texas is

27,862,596

14.1%

of persons in Ohio are 65 years and over

The population of California is

39,250,017

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates