QuickFacts

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

Population per square mile in North Carolina is

196.1

The population of Illinois is

12,859,995

12.1%

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

22.0%

of persons in Pennsylvania are under 18 years

In Illinois

61.0%

of females 16 years+ are in the civilian labor force

11.9%

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

Population per square mile in Harris County, Texas is

2,402.4

28.0%

of persons in Harris County, Texas are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census