QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Pennsylvania is

$53,115

Population per square mile in Cook County, Illinois is

5,495.1

The population of New York is

19,795,791

23.9%

of persons in North Carolina are under 18 years

The population of Harris County, Texas is

4,441,370

Population per square mile in Michigan is

174.8

10.3%

of persons in Texas are 65 years and over

8.1%

of persons in Harris County, Texas are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census