QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

31.9%

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

The population of Maricopa County, Arizona is

4,087,191

Population per square mile in New York is

411.2

Population per square mile in Chicago city, Illinois is

11,841.8

The population of New York is

19,795,791

11.4%

of persons in San Diego County, California are 65 years and over

The population of Maricopa County, Arizona is

4,087,191

Median household income of Los Angeles city, California is

$49,682

Median household income of Cook County, Illinois is

$54,828

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey