QuickFacts

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Michigan is

174.8

10.3%

of persons in Texas 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

22.0%

of persons in Pennsylvania are under 18 years

9.0%

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

Population per square mile in Los Angeles city, California is

8,092.3

22.3%

of persons in New York are under 18 years

27.3%

of persons in Texas are under 18 years

Source: 2010 Census