QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

Population per square mile in San Diego County, California is

735.8

21.3%

of persons in Florida are under 18 years

25.7%

of persons in Georgia are under 18 years

13.8%

of persons in Michigan are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

In Los Angeles County, California

57.7%

of females 16 years+ are in the civilian labor force

10.9%

of persons in Los Angeles County, California are 65 years and over

In Philadelphia city, Pennsylvania

57.3%

of females 16 years+ are in the civilian labor force

11.9%

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

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census