QuickFacts

11.4%

of persons in California are 65 years and over

23.7%

of persons in Michigan are under 18 years

21.6%

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

23.4%

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

The population of California is

39,144,818

Population per square mile in Los Angeles County, California is

2,419.6

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

27,012.5

12.1%

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

25.6%

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

21.3%

of persons in Florida are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census