QuickFacts

24.5%

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

In San Diego County, California

57.2%

of females 16 years+ are in the civilian labor force

8.1%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

12.1%

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

23.1%

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

12.1%

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

The population of Los Angeles County, California is

10,170,292

The population of Maricopa County, Arizona is

4,167,947

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates