QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Ohio is

11,614,373

The population of Los Angeles city, California is

3,971,883

14.1%

of persons in Ohio are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

The population of Cook County, Illinois is

5,238,216

23.7%

of persons in Ohio are under 18 years

10.7%

of persons in Georgia are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

26.9%

of persons 25 years+ in Michigan have a bachelor's degree or higher

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey