QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Harris County, Texas is

4,538,028

Median household income of Ohio is

$49,429

Median household income of Ohio is

$49,429

13.8%

of persons in Michigan are 65 years and over

The population of Florida is

20,612,439

The population of Cook County, Illinois is

5,238,216

Population per square mile in Illinois is

231.1

11.4%

of persons in San Diego County, California are 65 years and over

The population of Los Angeles city, California is

3,971,883

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates