QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

22.0%

of persons in Pennsylvania are under 18 years

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

Median household income of Florida is

$47,507

28.0%

of persons in Harris County, Texas are under 18 years

24.4%

of persons in Illinois are under 18 years

The population of Illinois is

12,801,539

Population per square mile in Pennsylvania is

283.9

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Los Angeles city, California is

8,092.3

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census