QuickFacts

The population of Cook County, Illinois is

5,238,216

Population per square mile in Michigan is

174.8

Population per square mile in Georgia is

168.4

25.0%

of persons in California are under 18 years

Median household income of Ohio is

$49,429

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

Population per square mile in Ohio is

282.3

Population per square mile in Maricopa County, Arizona is

414.9

24.5%

of persons in Los Angeles County, California are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates