QuickFacts

The population of Maricopa County, Arizona is

4,087,191

Median household income of Cook County, Illinois is

$54,828

The population of California is

39,144,818

Median household income of New York city, New York is

$52,737

23.1%

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

Population per square mile in Ohio is

282.3

25.0%

of persons in California are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

25.6%

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

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey