QuickFacts

11.9%

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

The population of Harris County, Texas is

4,538,028

Population per square mile in Illinois is

231.1

14.1%

of persons in Ohio are 65 years and over

13.5%

of persons in New York are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in Illinois is

231.1

The population of California is

39,250,017

In Pennsylvania

58.3%

of females 16 years+ are in the civilian labor force

22.0%

of persons in Pennsylvania are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census