QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

11.9%

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

The population of Maricopa County, Arizona is

4,167,947

23.1%

of persons in Los Angeles city, California are under 18 years

11.9%

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

Population per square mile in California is

239.1

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

The population of San Diego County, California is

3,299,521

Population per square mile in Florida is

350.6

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census