QuickFacts

The population of Cook County, Illinois is

5,238,216

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Ohio is

282.3

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

Median household income of Philadelphia city, Pennsylvania is

$38,253

23.7%

of persons in Michigan are under 18 years

12.1%

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

Median household income of Maricopa County, Arizona is

$54,229

12.5%

of persons in Illinois are 65 years and over

The population of California is

39,250,017

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates