QuickFacts

21.6%

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

8.1%

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

Population per square mile in Georgia is

168.4

23.1%

of persons in Chicago city, Illinois are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

The population of New York is

19,795,791

The population of Georgia is

10,214,860

The population of San Diego County, California is

3,263,431

25.7%

of persons in Georgia are under 18 years

Population per square mile in Illinois is

231.1

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census