QuickFacts

Population per square mile in Ohio is

282.3

24.4%

of persons in Illinois are under 18 years

Median household income of Harris County, Texas is

$54,457

Median household income of Illinois is

$57,574

13.8%

of persons in Michigan are 65 years and over

The population of Philadelphia city, Pennsylvania is

1,567,442

Population per square mile in Cook County, Illinois is

5,495.1

The population of Cook County, Illinois is

5,238,216

Median household income of Pennsylvania is

$53,599

23.7%

of persons in Ohio are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census