QuickFacts

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

The population of Illinois is

12,801,539

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Pennsylvania is

283.9

The population of Illinois is

12,801,539

28.8%

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

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates