QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

22.0%

of persons in Pennsylvania are under 18 years

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Texas is

96.3

The population of Illinois is

12,801,539

32.3%

of persons 25 years+ in Illinois have a bachelor's degree or higher

30.4%

of persons 25 years+ in Houston city, Texas have a bachelor's degree or higher

10.5%

of persons in Los Angeles city, California are 65 years and over

10.3%

of persons in Texas are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census