QuickFacts

Population per square mile in Houston city, Texas is

3,501.5

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Los Angeles city, California is

$50,205

Median household income of Cook County, Illinois is

$55,251

The population of Illinois is

12,801,539

Population per square mile in Cook County, Illinois is

5,495.1

Median household income of Chicago city, Illinois is

$48,522

22.0%

of persons in Pennsylvania are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

30.4%

of persons 25 years+ in Maricopa County, Arizona 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