QuickFacts

Population per square mile in Pennsylvania is

283.9

The population of Harris County, Texas is

4,538,028

Median household income of Georgia is

$49,620

Median household income of San Diego County, California is

$64,309

25.0%

of persons in California are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

11.4%

of persons in California are 65 years and over

The population of New York is

19,745,289

12.1%

of persons in Maricopa County, Arizona are 65 years and over

11.4%

of persons in San Diego County, California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census