QuickFacts

Population per square mile in Georgia is

168.4

The population of Cook County, Illinois is

5,238,216

23.1%

of persons in Chicago city, Illinois are under 18 years

Median household income of Pennsylvania is

$53,599

The population of Ohio is

11,614,373

Median household income of Chicago city, Illinois is

$48,522

9.0%

of persons in Houston city, Texas are 65 years and over

8.1%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in California is

239.1

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census