QuickFacts

10.3%

of persons in Chicago city, Illinois are 65 years and over

The population of Los Angeles County, California is

10,170,292

The population of Ohio is

11,614,373

11.4%

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

Population per square mile in Georgia is

168.4

24.5%

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

Population per square mile in Florida is

350.6

Population per square mile in Cook County, Illinois is

5,495.1

Median household income of Cook County, Illinois is

$55,251

22.0%

of persons in Pennsylvania are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census