Millerstown is a borough in northeast Perry County, Pennsylvania, located along the Juniata River at the junction of Pennsylvania Route 17 and U.S. Routes 22/322.
Millerstown is a borough in northeast Perry County. This northeast Perry County is located along the Juniata River at the junction of Pennsylvania Route 17. This northeast Perry County is located along the Juniata River at U.S. Routes 22/322. Northeast Perry County is Pennsylvania.