QuickFacts

12.1%

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

27.3%

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

The population of San Diego County, California is

3,299,521

The population of Harris County, Texas is

4,538,028

23.4%

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

24.4%

of persons in Illinois are under 18 years

23.7%

of persons in Ohio are under 18 years

Population per square mile in New York city, New York is

27,012.5

23.7%

of persons in Cook County, Illinois are under 18 years

26.9%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey