QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Median household income of Pennsylvania is

$53,599

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Los Angeles city, California is

8,092.3

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of Cook County, Illinois is

$55,251

9.0%

of persons in Houston city, Texas are 65 years and over

Population per square mile in Michigan is

174.8

The population of Illinois is

12,801,539

Population per square mile in Harris County, Texas is

2,402.4

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census