QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

14.1%

of persons in Ohio are 65 years and over

The population of San Diego County, California is

3,299,521

26.4%

of persons in Maricopa County, Arizona are under 18 years

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

Population per square mile in Houston city, Texas is

3,501.5

Median household income of Pennsylvania is

$53,599

35.8%

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

Median household income of Maricopa County, Arizona is

$54,229

Median household income of Florida is

$47,507

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey