QuickFacts

The population of Maricopa County, Arizona is

4,167,947

11.4%

of persons in California are 65 years and over

23.1%

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

Population per square mile in San Diego County, California is

735.8

30.4%

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

Median household income of Illinois is

$57,574

10.3%

of persons in Chicago city, Illinois are 65 years and over

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

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census