QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

23.1%

of persons in Chicago city, Illinois are under 18 years

24.5%

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

12.1%

of persons in Maricopa County, Arizona are 65 years and over

The population of California is

39,250,017

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

25.4%

of persons 25 years+ in Philadelphia city, Pennsylvania have a bachelor's degree or higher

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

In New York

58.7%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey