QuickFacts

The population of San Diego County, California is

3,299,521

Population per square mile in Maricopa County, Arizona is

414.9

8.1%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

10.5%

of persons in Los Angeles city, California are 65 years and over

21.3%

of persons in Florida are under 18 years

10.5%

of persons in Los Angeles city, California are 65 years and over

Population per square mile in Georgia is

168.4

In Texas

57.7%

of females 16 years+ are in the civilian labor force

21.6%

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

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census