QuickFacts

11.9%

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

Median household income of Maricopa County, Arizona is

$54,229

24.5%

of persons in Los Angeles County, California are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in Chicago city, Illinois is

11,841.8

23.1%

of persons in Los Angeles city, California are under 18 years

The population of Harris County, Texas is

4,538,028

13.8%

of persons in Michigan are 65 years and over

27.3%

of persons in Texas are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census