QuickFacts

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

35.8%

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

The population of San Diego County, California is

3,299,521

Median household income of Illinois is

$57,574

23.7%

of persons in Ohio are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

Median household income of Harris County, Texas is

$54,457

12.1%

of persons in New York city, New York are 65 years and over

The population of San Diego County, California is

3,299,521

12.9%

of persons in North Carolina are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census