QuickFacts

14.1%

of persons in Ohio are 65 years and over

11.9%

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

The population of Illinois is

12,801,539

23.7%

of persons in Michigan are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Illinois is

231.1

11.4%

of persons in San Diego County, California are 65 years and over

30.4%

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

26.1%

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

Population per square mile in Harris County, Texas is

2,402.4

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census