QuickFacts

Population per square mile in Illinois is

231.1

Population per square mile in Pennsylvania is

283.9

Population per square mile in Houston city, Texas is

3,501.5

23.1%

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

8.1%

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

Population per square mile in Florida is

350.6

Population per square mile in Los Angeles city, California is

8,092.3

24.4%

of persons in Illinois are under 18 years

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

Source: 2010 Census