QuickFacts

23.7%

of persons in Michigan are under 18 years

12.5%

of persons in Illinois are 65 years and over

The population of Los Angeles city, California is

3,971,883

Population per square mile in Harris County, Texas is

2,402.4

23.7%

of persons in Cook County, Illinois are under 18 years

32.0%

of persons 25 years+ in Los Angeles city, California have a bachelor's degree or higher

Median household income of Cook County, Illinois is

$55,251

Median household income of Ohio is

$49,429

26.4%

of persons in Maricopa County, Arizona are under 18 years

25.0%

of persons in California are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census