QuickFacts

The population of Illinois is

12,801,539

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Harris County, Texas is

4,538,028

10.7%

of persons in Georgia are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

The population of California is

39,250,017

10.3%

of persons in Chicago city, Illinois are 65 years and over

Population per square mile in Maricopa County, Arizona is

414.9

The population of Harris County, Texas is

4,538,028

29.5%

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

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey