QuickFacts

8.1%

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

The population of Cook County, Illinois is

5,246,456

Median household income of Maricopa County, Arizona is

$53,689

The population of Ohio is

11,613,423

Population per square mile in San Diego County, California is

735.8

12.1%

of persons in Maricopa County, Arizona are 65 years and over

35.1%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

25.7%

of persons in Georgia are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

10.9%

of persons in Los Angeles County, California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census