QuickFacts

The population of Illinois is

12,801,539

12.1%

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

23.4%

of persons in San Diego County, California are under 18 years

35.6%

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

29.5%

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

11.4%

of persons in California are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Texas is

27,862,596

10.5%

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

Population per square mile in California is

239.1

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census