QuickFacts

Population per square mile in Houston city, Texas is

3,501.5

Median household income of San Diego County, California is

$64,309

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Florida is

350.6

The population of Harris County, Texas is

4,538,028

35.8%

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

Median household income of Ohio is

$49,429

12.1%

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

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates