QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Michigan is

174.8

In Illinois

60.7%

of females 16 years+ are in the civilian labor force

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

22.3%

of persons in New York are under 18 years

25.0%

of persons in California are under 18 years

25.7%

of persons in Georgia are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

The population of Illinois is

12,801,539

12.5%

of persons in Illinois are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census