QuickFacts

Population per square mile in California is

239.1

Median household income of Cook County, Illinois is

$55,251

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in Los Angeles city, California is

8,092.3

The population of Maricopa County, Arizona is

4,167,947

26.4%

of persons in Maricopa County, Arizona are under 18 years

24.4%

of persons in Illinois are under 18 years

28.8%

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

35.6%

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

Median household income of Ohio is

$49,429

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey