[5][6][7] Part of the township was originally disputed territory between Pennsylvania and Maryland, resolved eventually by the Mason–Dixon line.

One third of the township formed part of the northern section of Susquehanna Manor later known as New Connaught, a large settlement tract established by Maryland and named after the western province of Connacht in Ireland that courted Irish settlement into the area.

[11] As of the census[12][failed verification] of 2000, there were 4,319 people, 986 households, and 799 families residing in the township.

It follows the Kennett Oxford Bypass along a southwest-northeast alignment through the central and eastern portions of the township.

Pennsylvania Route 10 follows Limestone Road along a north-south alignment through the central portion of the township.

Pennsylvania Route 472 follows Lancaster Pike along a northwest-southeast alignment across the southwestern portion of the township.