QuickFacts

The population of Cook County, Illinois is

5,238,216

23.1%

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

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Cook County, Illinois is

5,495.1

The population of Pennsylvania is

12,784,227

Median household income of Los Angeles County, California is

$56,196

32.3%

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

The population of Chicago city, Illinois is

2,720,546

12.1%

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

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census