QuickFacts

The population of Cook County, Illinois is

5,238,216

26.9%

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

Population per square mile in Ohio is

282.3

10.9%

of persons in Los Angeles County, California are 65 years and over

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Georgia is

168.4

24.4%

of persons in Illinois are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Median household income of San Diego County, California is

$64,309

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey