 The county seat remained in DeWitt Township until December 1857 when it was moved to Plumstead Hall, in the village of St. Johns, until a new courthouse could be built.In the early 1900s, the Lansing, St. Johns and St. Louis Railway opened the community to a new era of prosperity.It was not until 1929 when the town was incorporated as a village, and then was no longer under the full jurisdiction of the township.