QuickFacts

Population per square mile in Illinois is

231.1

Median household income of Ohio is

$49,429

13.8%

of persons in Michigan are 65 years and over

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in New York is

411.2

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

23.7%

of persons in Cook County, Illinois are under 18 years

21.3%

of persons in Florida are under 18 years

In Los Angeles County, California

57.7%

of females 16 years+ are in the civilian labor force

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates