QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Median household income of Michigan is

$49,576

Population per square mile in San Diego County, California is

735.8

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Population per square mile in Georgia is

168.4

30.4%

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

25.0%

of persons in California are under 18 years

11.4%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Houston city, Texas is

2,296,224

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates