QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

24.4%

of persons in Illinois are under 18 years

10.9%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

8.1%

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

27.6%

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

Median household income of Illinois is

$57,574

34.2%

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

22.0%

of persons in Pennsylvania are under 18 years

23.4%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census