QuickFacts

10.5%

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

12.1%

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

Population per square mile in Ohio is

282.3

11.4%

of persons in California are 65 years and over

Population per square mile in North Carolina is

196.1

10.3%

of persons in Chicago city, Illinois are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

17.3%

of persons in Florida are 65 years and over

21.6%

of persons in New York city, New York are under 18 years

Source: 2010 Census