QuickFacts

Population per square mile in Illinois is

231.1

Median household income of San Diego County, California is

$64,309

The population of Cook County, Illinois is

5,238,216

10.9%

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

Median household income of Los Angeles County, California is

$56,196

23.1%

of persons in Chicago city, Illinois are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

22.3%

of persons in New York are under 18 years

Median household income of Philadelphia city, Pennsylvania is

$38,253

29.5%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey