QuickFacts

Population per square mile in Ohio is

282.3

10.9%

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

Population per square mile in North Carolina is

196.1

12.5%

of persons in Illinois are 65 years and over

The population of San Diego County, California is

3,299,521

12.1%

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

The population of Cook County, Illinois is

5,238,216

13.5%

of persons in New York are 65 years and over

13.5%

of persons in New York are 65 years and over

27.3%

of persons in Texas are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census