QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in San Diego County, California is

735.8

25.9%

of persons in Houston city, Texas are under 18 years

27.3%

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

Population per square mile in Harris County, Texas is

2,402.4

The population of Houston city, Texas is

2,296,224

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Illinois is

231.1

10.9%

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

21.6%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census