QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Ohio is

282.3

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Georgia is

$49,620

27.6%

of persons 25 years+ in Texas have a bachelor's degree or higher

22.0%

of persons in Pennsylvania are under 18 years

Population per square mile in San Diego County, California is

735.8

10.3%

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

23.1%

of persons in Los Angeles city, California are under 18 years

The population of Cook County, Illinois is

5,238,216

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates