QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Los Angeles city, California is

3,971,883

The population of Pennsylvania is

12,784,227

Population per square mile in Harris County, Texas is

2,402.4

31.4%

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

10.3%

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

Median household income of California is

$61,818

Median household income of New York is

$59,269

10.9%

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

23.7%

of persons in Ohio are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census