QuickFacts

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

The population of Harris County, Texas is

4,538,028

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Pennsylvania is

12,784,227

The population of San Diego County, California is

3,299,521

The population of California is

39,250,017

Population per square mile in Cook County, Illinois is

5,495.1

In Los Angeles city, California

59.4%

of females 16 years+ are in the civilian labor force

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Ohio is

282.3

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census