QuickFacts

The population of Maricopa County, Arizona is

4,087,191

The population of San Diego County, California is

3,263,431

The population of Chicago city, Illinois is

2,722,389

The population of Los Angeles County, California is

10,116,705

23.4%

of persons in San Diego County, California are under 18 years

23.7%

of persons in Cook County, Illinois are under 18 years

30.0%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

In Michigan

57.5%

of females 16 years+ are in the civilian labor force

Median household income of Los Angeles County, California is

$55,870

33.7%

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

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey