QuickFacts

9.0%

of persons in Houston city, Texas are 65 years and over

Population per square mile in North Carolina is

196.1

The population of Cook County, Illinois is

5,238,216

Population per square mile in Cook County, Illinois is

5,495.1

12.5%

of persons in Illinois are 65 years and over

15.4%

of persons in Pennsylvania are 65 years and over

12.1%

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

25.0%

of persons in California are under 18 years

Median household income of Maricopa County, Arizona is

$54,229

12.5%

of persons in Illinois are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census