Centre County's Neighbors
Central Pennsylvania Genealogy
- Blair County - formed 1846 from Bedford and Huntingdon Counties; county seat: Hollidaysburg
- Clearfield County - formed 1804 from Huntingdon and Lycoming Counties; county seat: Clearfield; an additional Clearfield County site
- Clinton County - formed 1839 from Centre and Lycoming Counties; county seat: Lock Haven
- Huntingdon County - formed 1787 from Bedford County; county seat: Huntingdon
- Mifflin County - formed 1789 from Cumberland, Northumberland Counties; county seat: Lewistown
- Union County - formed 1813 from Northumberland County; county seat: Lewisburg