QuickFacts

13.5%

of persons in New York are 65 years and over

26.4%

of persons in Maricopa County, Arizona are under 18 years

30.4%

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

Population per square mile in California is

239.1

8.1%

of persons in Harris County, Texas are 65 years and over

11.4%

of persons in California are 65 years and over

Population per square mile in California is

239.1

The population of Los Angeles city, California is

3,971,883

The population of Cook County, Illinois is

5,238,216

25.4%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey