QuickFacts

The population of Maricopa County, Arizona is

4,167,947

24.5%

of persons in Los Angeles County, California are under 18 years

31.4%

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

The population of California is

39,250,017

22.0%

of persons in Pennsylvania are under 18 years

Population per square mile in Ohio is

282.3

Median household income of Los Angeles County, California is

$56,196

11.4%

of persons in California are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

24.4%

of persons in Illinois are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census