QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

Median household income of San Diego County, California is

$64,309

22.3%

of persons in New York are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

The population of Maricopa County, Arizona is

4,167,947

29.5%

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

The population of Philadelphia city, Pennsylvania is

1,567,442

13.5%

of persons in New York are 65 years and over

9.0%

of persons in Houston city, Texas are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census