QuickFacts

The population of Los Angeles County, California is

10,116,705

The population of San Diego County, California is

3,263,431

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

The population of Los Angeles city, California is

3,928,864

The population of Los Angeles city, California is

3,928,864

Population per square mile in California is

239.1

The population of Maricopa County, Arizona is

4,087,191

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Median household income of North Carolina is

$46,693

31.0%

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

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey