This website is dedicated to the history of Middletown Borough and is in no way affiliated with, connected to or a part of any historical society, historical commission, or any other agency. We are independent and we are NOT a non-profit agency.
Middletown is a borough in Dauphin County, Pennsylvania, on the Susquehanna River, nine miles (15 km) southeast of Harrisburg. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area. Founded in 1755 and was incorporated as a borough in 1828. It was named from its location halfway between Lancaster and Carlisle. It is the oldest incorporated community in Dauphin County and is in a rich agricultural area bordering Pennsylvania Dutch Country.
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