QuickFacts

10.9%

of persons in Los Angeles County, California are 65 years and over

23.9%

of persons in North Carolina are under 18 years

Population per square mile in Illinois is

231.1

11.9%

of persons in Cook County, Illinois are 65 years and over

22.0%

of persons in Pennsylvania are under 18 years

13.5%

of persons in New York are 65 years and over

Population per square mile in Texas is

96.3

Population per square mile in North Carolina is

196.1

12.1%

of persons in New York city, New York are 65 years and over

Population per square mile in Ohio is

282.3

Source: 2010 Census