QuickFacts

Population per square mile in California is

239.1

The population of Ohio is

11,614,373

Population per square mile in Chicago city, Illinois is

11,841.8

21.6%

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

21.6%

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

23.4%

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

25.9%

of persons in Houston city, Texas are under 18 years

8.1%

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

Population per square mile in Michigan is

174.8

26.4%

of persons in Maricopa County, Arizona are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census