QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

25.7%

of persons in Georgia are under 18 years

17.3%

of persons in Florida are 65 years and over

The population of Texas is

27,469,114

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

The population of Maricopa County, Arizona is

4,087,191

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: Population Estimates

Source: 2010 Census