Mifflin County Resource Guide 2018
Consult the web sites listed for specific information about holdings, current hours, current admission fees, and access rules. Many archives and repositories have very limited hours. Pennsylvania became a state December 12, 1787, has 67 Counties and 2,561 Municipalities.
Mifflin County was created from parts of Northumberland and Cumberland Counties, 19 September 1789. The county seat is Lewistown