QuickFacts

12.1%

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

35.8%

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

Median household income of Philadelphia city, Pennsylvania is

$38,253

The population of North Carolina is

10,146,788

The population of Michigan is

9,928,300

35.8%

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

Median household income of California is

$61,818

11.4%

of persons in San Diego County, California are 65 years and over

The population of Illinois is

12,801,539

Population per square mile in Michigan is

174.8

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census