QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

11.9%

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

Population per square mile in Pennsylvania is

283.9

The population of New York city, New York is

8,550,405

Median household income of Michigan is

$49,576

23.4%

of persons in San Diego County, California are under 18 years

8.1%

of persons in Harris County, Texas are 65 years and over

25.9%

of persons in Houston city, Texas are under 18 years

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in San Diego County, California is

735.8

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census