QuickFacts

23.4%

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

15.4%

of persons in Pennsylvania are 65 years and over

23.7%

of persons in Michigan are under 18 years

8.1%

of persons in Harris County, Texas are 65 years and over

Population per square mile in Houston city, Texas is

3,501.5

The population of San Diego County, California is

3,299,521

Median household income of Philadelphia city, Pennsylvania is

$38,253

24.4%

of persons in Illinois are under 18 years

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

The population of California is

39,250,017

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates