QuickFacts

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in North Carolina is

196.1

The population of Pennsylvania is

12,802,503

The population of Philadelphia city, Pennsylvania is

1,560,297

Population per square mile in Ohio is

282.3

25.9%

of persons in Houston city, Texas are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Population per square mile in New York is

411.2

The population of Los Angeles city, California is

3,928,864

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates