QuickFacts

Median household income of Maricopa County, Arizona is

$54,229

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

12.1%

of persons in Maricopa County, Arizona are 65 years and over

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

13.8%

of persons in Michigan are 65 years and over

The population of Los Angeles County, California is

10,170,292

Median household income of Illinois is

$57,574

Population per square mile in Illinois is

231.1

Median household income of Philadelphia city, Pennsylvania is

$38,253

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey