QuickFacts

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Georgia is

168.4

The population of Illinois is

12,859,995

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

26.4%

of persons in Maricopa County, Arizona are under 18 years

12.5%

of persons in Illinois are 65 years and over

25.9%

of persons in Houston city, Texas are under 18 years

Median household income of Michigan is

$49,087

11.9%

of persons in Cook County, Illinois are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census