QuickFacts

10.9%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

27.3%

of persons in Texas are under 18 years

23.7%

of persons in Michigan are under 18 years

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

24.4%

of persons in Illinois are under 18 years

Median household income of Maricopa County, Arizona is

$54,229

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

32.3%

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

Source: 2010 Census

Source: American Community Survey