QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Median household income of Cook County, Illinois is

$55,251

The population of Ohio is

11,614,373

8.1%

of persons in Harris County, Texas are 65 years and over

23.7%

of persons in Michigan are under 18 years

Population per square mile in San Diego County, California is

735.8

23.1%

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

21.6%

of persons in New York city, New York are under 18 years

The population of Florida is

20,612,439

The population of Los Angeles city, California is

3,971,883

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates