Ever wonder how Lancaster County was formed? The place we call home didn’t always have its iconic shape, in fact, at the time of its formation Lancaster County was the largest county in Pennsylvania. The creation of neighboring counties in the 18th and 19th century morphed Lancaster to what it is today. Click the video to find out all the details, chronology, and history of Lancaster County boundaries.

Interactive atlas of historical Pennsylvania county boundaries: https://publications.newberry.org/ahcbp/map/map.html#PA

Genealogical map of Pennsylvania counties: https://www.phmc.pa.gov/Archives/Documents/Pennsylvania-Genealogical-Map-Counties.pdf

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