QuickFacts

The population of Illinois is

12,801,539

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

10.5%

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

23.4%

of persons in San Diego County, California are under 18 years

Population per square mile in New York is

411.2

35.6%

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

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

Median household income of Ohio is

$49,429

25.0%

of persons in California are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census