QuickFacts

Population per square mile in San Diego County, California is

735.8

23.4%

of persons in San Diego County, California are under 18 years

The population of Maricopa County, Arizona is

4,167,947

In Harris County, Texas

59.8%

of females 16 years+ are in the civilian labor force

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

15.4%

of persons in Pennsylvania are 65 years and over

Median household income of Ohio is

$49,429

Population per square mile in California is

239.1

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Harris County, Texas is

$54,457

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey