QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

23.7%

of persons in Cook County, Illinois are under 18 years

In Harris County, Texas

59.8%

of females 16 years+ are in the civilian labor force

14.1%

of persons in Ohio are 65 years and over

Population per square mile in Los Angeles city, California is

8,092.3

25.0%

of persons in California are under 18 years

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Houston city, Texas is

3,501.5

In North Carolina

57.7%

of females 16 years+ are in the civilian labor force

The population of San Diego County, California is

3,299,521

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates