QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

11.4%

of persons in San Diego County, California are 65 years and over

24.4%

of persons in Illinois are under 18 years

Population per square mile in Pennsylvania is

283.9

Median household income of North Carolina is

$46,868

25.0%

of persons in California are under 18 years

12.5%

of persons in Illinois are 65 years and over

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Georgia is

168.4

The population of Texas is

27,862,596

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates