QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Illinois is

231.1

The population of Maricopa County, Arizona is

4,167,947

21.3%

of persons in Florida are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

Median household income of Maricopa County, Arizona is

$54,229

11.4%

of persons in San Diego County, California are 65 years and over

Median household income of California is

$61,818

29.5%

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

28.0%

of persons in Harris County, Texas are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census