QuickFacts

Population per square mile in Pennsylvania is

283.9

23.1%

of persons in Chicago city, Illinois are under 18 years

32.3%

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

Median household income of Ohio is

$49,429

The population of Illinois is

12,801,539

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

32.0%

of persons 25 years+ in Los Angeles city, California have a bachelor's degree or higher

25.0%

of persons in California are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

The population of San Diego County, California is

3,299,521

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates