Is é Harrisburg príomhchathair Pennsylvania. De réir an daonáirimh sa bhliain 2010 bhí 49,528 (643,820 sa Harrisburg-Carlisle-Lebanon Combined Statistical Area sa bhliain 2000) duine ina gcónaí ann agus mar sin is é Harrisburg an ceathrú cathair is mó i bPennsylvania. Tá an chathair suite cois Susquehanna. Tá Linda D. Thompson ina méara ar an gcathair. Bunaíodh Harrisburg sa bhliain 1791.
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