QuickFacts

23.9%

of persons in North Carolina are under 18 years

23.7%

of persons in Cook County, Illinois are under 18 years

12.1%

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

10.5%

of persons in Los Angeles city, California are 65 years and over

The population of San Diego County, California is

3,299,521

The population of Florida is

20,612,439

25.9%

of persons in Houston city, Texas are under 18 years

Population per square mile in San Diego County, California is

735.8

Population per square mile in California is

239.1

35.8%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey