QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

10.3%

of persons in Chicago city, Illinois are 65 years and over

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

The population of Harris County, Texas is

4,538,028

Median household income of Georgia is

$49,620

The population of San Diego County, California is

3,299,521

13.8%

of persons in Michigan are 65 years and over

Median household income of New York is

$59,269

Population per square mile in Pennsylvania is

283.9

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census