QuickFacts

23.7%

of persons in Michigan are under 18 years

12.9%

of persons in North Carolina are 65 years and over

8.1%

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

Population per square mile in Pennsylvania is

283.9

15.4%

of persons in Pennsylvania are 65 years and over

14.1%

of persons in Ohio are 65 years and over

23.7%

of persons in Michigan are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

23.1%

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

Source: 2010 Census