QuickFacts

23.4%

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

14.1%

of persons in Ohio are 65 years and over

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Maricopa County, Arizona is

414.9

The population of Maricopa County, Arizona is

4,167,947

22.0%

of persons in Pennsylvania are under 18 years

In Ohio

59.0%

of females 16 years+ are in the civilian labor force

The population of Maricopa County, Arizona is

4,167,947

29.5%

of persons 25 years+ in Harris County, Texas have a bachelor's degree or higher

Median household income of Illinois is

$57,574

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey