QuickFacts

12.1%

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

10.3%

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

29.5%

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

8.1%

of persons in Harris County, Texas are 65 years and over

Population per square mile in Maricopa County, Arizona is

414.9

The population of Illinois is

12,801,539

Population per square mile in Georgia is

168.4

The population of North Carolina is

10,146,788

Median household income of Harris County, Texas is

$54,457

The population of San Diego County, California is

3,299,521

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates