QuickFacts

24.5%

of persons in Los Angeles County, California are under 18 years

30.4%

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

Population per square mile in San Diego County, California is

735.8

8.1%

of persons in Harris County, Texas are 65 years and over

23.7%

of persons in Michigan are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

25.0%

of persons in California are under 18 years

13.8%

of persons in Michigan are 65 years and over

The population of San Diego County, California is

3,299,521

24.5%

of persons in Los Angeles County, California are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census