QuickFacts

The population of Maricopa County, Arizona is

4,087,191

15.4%

of persons in Pennsylvania are 65 years and over

25.0%

of persons in California are under 18 years

The population of Illinois is

12,859,995

Population per square mile in Los Angeles County, California is

2,419.6

The population of Illinois is

12,859,995

35.0%

of persons 25 years+ in New York city, New York have a bachelor's degree or higher

34.9%

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

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in Maricopa County, Arizona is

414.9

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census