QuickFacts

30.4%

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

Population per square mile in Harris County, Texas is

2,402.4

The population of Pennsylvania is

12,784,227

25.9%

of persons in Houston city, Texas are under 18 years

The population of Harris County, Texas is

4,538,028

32.3%

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

Population per square mile in California is

239.1

Population per square mile in San Diego County, California is

735.8

Population per square mile in Cook County, Illinois is

5,495.1

12.9%

of persons in North Carolina are 65 years and over

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census