QuickFacts

Population per square mile in California is

239.1

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

24.4%

of persons in Illinois are under 18 years

Population per square mile in Michigan is

174.8

21.3%

of persons in Florida are under 18 years

25.7%

of persons in Georgia are under 18 years

24.4%

of persons in Illinois are under 18 years

The population of Michigan is

9,928,300

9.0%

of persons in Houston city, Texas are 65 years and over

The population of Ohio is

11,614,373

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates