QuickFacts

21.6%

of persons in New York city, New York are under 18 years

The population of Ohio is

11,614,373

The population of Cook County, Illinois is

5,238,216

Population per square mile in Los Angeles County, California is

2,419.6

35.6%

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

35.8%

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

12.1%

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

14.1%

of persons in Ohio are 65 years and over

The population of California is

39,250,017

25.0%

of persons in California are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census