QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

24.4%

of persons in Illinois are under 18 years

The population of California is

39,250,017

Median household income of Michigan is

$49,576

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Population per square mile in Chicago city, Illinois is

11,841.8

26.1%

of persons 25 years+ in Ohio have a bachelor's degree or higher

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of Los Angeles County, California is

10,170,292

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates