QuickFacts

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

25.4%

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

Median household income of California is

$61,818

Median household income of California is

$61,818

The population of Cook County, Illinois is

5,238,216

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in Michigan is

174.8

13.8%

of persons in Michigan are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census