QuickFacts

The population of Pennsylvania is

12,784,227

Population per square mile in Houston city, Texas is

3,501.5

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Michigan is

$49,576

26.4%

of persons in Maricopa County, Arizona are under 18 years

11.9%

of persons in Cook County, Illinois are 65 years and over

8.1%

of persons in Harris County, Texas are 65 years and over

Population per square mile in California is

239.1

Population per square mile in Los Angeles city, California is

8,092.3

In Harris County, Texas

59.8%

of females 16 years+ are in the civilian labor force

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey