QuickFacts

The population of Cook County, Illinois is

5,238,216

28.0%

of persons in Harris County, Texas are under 18 years

Median household income of California is

$61,818

13.8%

of persons in Michigan are 65 years and over

10.3%

of persons in Chicago city, Illinois are 65 years and over

23.7%

of persons in Michigan are under 18 years

Median household income of Harris County, Texas is

$54,457

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Chicago city, Illinois is

11,841.8

Population per square mile in Los Angeles city, California is

8,092.3

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census