QuickFacts

The population of Maricopa County, Arizona is

4,087,191

Median household income of San Diego County, California is

$63,996

10.3%

of persons in Chicago city, Illinois are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

Median household income of Pennsylvania is

$53,115

24.4%

of persons in Illinois are under 18 years

The population of Pennsylvania is

12,802,503

Population per square mile in Maricopa County, Arizona is

414.9

10.3%

of persons in Texas are 65 years and over

26.4%

of persons in Maricopa County, Arizona are under 18 years

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census