QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

The population of California is

39,250,017

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

23.7%

of persons in Michigan are under 18 years

22.0%

of persons in Pennsylvania are under 18 years

9.0%

of persons in Houston city, Texas are 65 years and over

17.3%

of persons in Florida are 65 years and over

17.3%

of persons in Florida are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census