QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

The population of California is

39,144,818

12.1%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

In Florida

55.0%

of females 16 years+ are in the civilian labor force

Population per square mile in Chicago city, Illinois is

11,841.8

Population per square mile in Pennsylvania is

283.9

12.9%

of persons in North Carolina are 65 years and over

9.0%

of persons in Houston city, Texas are 65 years and over

Population per square mile in Ohio is

282.3

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census