QuickFacts

The population of Illinois is

12,801,539

Population per square mile in Chicago city, Illinois is

11,841.8

The population of Pennsylvania is

12,784,227

12.1%

of persons in New York city, New York are 65 years and over

14.1%

of persons in Ohio are 65 years and over

12.9%

of persons in North Carolina are 65 years and over

11.4%

of persons in California are 65 years and over

Median household income of Los Angeles County, California is

$56,196

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in San Diego County, California is

735.8

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census