QuickFacts

11.9%

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

Population per square mile in California is

239.1

The population of North Carolina is

10,146,788

The population of Illinois is

12,801,539

The population of Texas is

27,862,596

Population per square mile in Maricopa County, Arizona is

414.9

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

In New York

58.7%

of females 16 years+ are in the civilian labor force

Population per square mile in Ohio is

282.3

The population of California is

39,250,017

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates