QuickFacts

The population of Florida is

20,612,439

24.4%

of persons in Illinois are under 18 years

Population per square mile in Illinois is

231.1

11.4%

of persons in California are 65 years and over

Population per square mile in Ohio is

282.3

Median household income of Maricopa County, Arizona is

$54,229

23.7%

of persons in Cook County, Illinois are under 18 years

11.4%

of persons in California are 65 years and over

The population of San Diego County, California is

3,299,521

Median household income of Ohio is

$49,429

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey