QuickFacts

The population of Cook County, Illinois is

5,238,216

The population of Ohio is

11,614,373

22.0%

of persons in Pennsylvania are under 18 years

The population of Georgia is

10,310,371

Median household income of California is

$61,818

Median household income of San Diego County, California is

$64,309

Population per square mile in Ohio is

282.3

Median household income of Harris County, Texas is

$54,457

23.7%

of persons in Ohio are under 18 years

12.1%

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

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census