QuickFacts

The population of Illinois is

12,801,539

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

The population of San Diego County, California is

3,299,521

Median household income of Pennsylvania is

$53,599

23.7%

of persons in Michigan are under 18 years

The population of Cook County, Illinois is

5,238,216

30.4%

of persons 25 years+ in Houston city, Texas have a bachelor's degree or higher

25.4%

of persons 25 years+ in Philadelphia city, Pennsylvania have a bachelor's degree or higher

8.1%

of persons in Harris County, Texas are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census