QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

23.9%

of persons in North Carolina are under 18 years

23.9%

of persons in North Carolina are under 18 years

Median household income of Maricopa County, Arizona is

$54,229

10.3%

of persons in Texas are 65 years and over

10.3%

of persons in Chicago city, Illinois are 65 years and over

The population of San Diego County, California is

3,299,521

24.5%

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

The population of Chicago city, Illinois is

2,720,546

Population per square mile in Illinois is

231.1

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census