QuickFacts

Population per square mile in North Carolina is

196.1

14.1%

of persons in Ohio are 65 years and over

The population of Harris County, Texas is

4,538,028

Population per square mile in New York city, New York is

27,012.5

Population per square mile in Illinois is

231.1

22.3%

of persons in New York are under 18 years

11.4%

of persons in California are 65 years and over

Population per square mile in San Diego County, California is

735.8

The population of Maricopa County, Arizona is

4,167,947

15.4%

of persons in Pennsylvania are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census