QuickFacts

12.9%

of persons in North Carolina are 65 years and over

Median household income of Cook County, Illinois is

$55,251

The population of Philadelphia city, Pennsylvania is

1,567,442

Population per square mile in Chicago city, Illinois is

11,841.8

11.4%

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

The population of Ohio is

11,614,373

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.1%

of persons in Maricopa County, Arizona are 65 years and over

23.1%

of persons in Chicago city, Illinois are under 18 years

Median household income of New York city, New York is

$53,373

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey