QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

23.4%

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

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of San Diego County, California is

3,299,521

Population per square mile in Los Angeles city, California is

8,092.3

In Los Angeles County, California

57.7%

of females 16 years+ are in the civilian labor force

30.3%

of persons 25 years+ in Los Angeles County, California have a bachelor's degree or higher

Population per square mile in Maricopa County, Arizona is

414.9

In Houston city, Texas

59.9%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey