QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

11.9%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Ohio is

282.3

Population per square mile in North Carolina is

196.1

The population of North Carolina is

10,146,788

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

Median household income of California is

$61,818

Population per square mile in Harris County, Texas is

2,402.4

The population of Illinois is

12,801,539

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates