QuickFacts

12.1%

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

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Los Angeles County, California is

2,419.6

23.7%

of persons in Ohio are under 18 years

25.7%

of persons in Georgia are under 18 years

10.7%

of persons in Georgia are 65 years and over

23.4%

of persons in San Diego County, California are under 18 years

8.1%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

23.4%

of persons in San Diego County, California are under 18 years

Source: 2010 Census