Plum Grove Township, Butler County, Kansas
Plum Grove Township is a township in Butler County, Kansas, United States. As of the 2000 census, its population was 661. History. Plum Grove Township was organized in 1873. Geography. Plum Grove Township covers an area of and contains one incorporated settlement, Potwin. According to the USGS, it contains three cemeteries: Holderman, McGill and Potwin. The streams of Brush Creek, Diamond Creek, East Branch Whitewater River and Henry Creek run through this township.