QuickFacts

23.7%

of persons in Ohio are under 18 years

Population per square mile in California is

239.1

11.4%

of persons in California are 65 years and over

10.3%

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

23.7%

of persons in Cook County, Illinois are under 18 years

23.4%

of persons in San Diego County, California are under 18 years

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

27,012.5

10.3%

of persons in Texas are 65 years and over

The population of North Carolina is

10,042,802

23.1%

of persons in Los Angeles city, California are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census