QuickFacts

8.1%

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

26.1%

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

12.1%

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

The population of Pennsylvania is

12,784,227

Population per square mile in Michigan is

174.8

13.8%

of persons in Michigan are 65 years and over

The population of California is

39,250,017

23.4%

of persons in San Diego County, California are under 18 years

11.4%

of persons in California are 65 years and over

35.8%

of persons 25 years+ in Cook County, Illinois have a bachelor's degree or higher

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey