QuickFacts

Population per square mile in New York is

411.2

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of San Diego County, California is

$64,309

13.5%

of persons in New York are 65 years and over

The population of Florida is

20,612,439

Population per square mile in Cook County, Illinois is

5,495.1

11.4%

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

The population of Illinois is

12,801,539

12.9%

of persons in North Carolina are 65 years and over

12.1%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census