QuickFacts

24.4%

of persons in Illinois are under 18 years

Population per square mile in Florida is

350.6

The population of Cook County, Illinois is

5,246,456

Population per square mile in Georgia is

168.4

Median household income of Los Angeles County, California is

$55,870

Population per square mile in Los Angeles County, California is

2,419.6

12.5%

of persons in Illinois are 65 years and over

24.4%

of persons in Illinois are under 18 years

10.5%

of persons in Los Angeles city, California are 65 years and over

Median household income of Maricopa County, Arizona is

$53,689

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey