QuickFacts

23.7%

of persons in Michigan are under 18 years

23.7%

of persons in Cook County, Illinois are under 18 years

17.3%

of persons in Florida are 65 years and over

The population of Cook County, Illinois is

5,238,216

The population of San Diego County, California is

3,299,521

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

28.4%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

35.8%

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

Population per square mile in New York is

411.2

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census