QuickFacts

9.0%

of persons in Houston city, Texas are 65 years and over

23.4%

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

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

14.1%

of persons in Ohio are 65 years and over

In San Diego County, California

57.2%

of females 16 years+ are in the civilian labor force

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Maricopa County, Arizona is

414.9

The population of Illinois is

12,801,539

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census