QuickFacts

26.1%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

The population of Pennsylvania is

12,784,227

28.0%

of persons in Harris County, Texas are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

23.7%

of persons in Cook County, Illinois are under 18 years

23.4%

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

10.9%

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

12.5%

of persons in Illinois are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census