Forsyth Township is a civil township of Marquette County in the U.S. state of Michigan. The population was 6,194 at the 2020 census.

Communities

  • Gwinn is an unincorporated community and census-designated place in the township. The CDP includes the nearby community of New Swanzy.
  • A portion of the former K. I. Sawyer Air Force Base extends into the township.
  • Austin is an unincorporated community to the west of Gwinn, across the Middle Branch of the Escanaba River
  • Princeton is an unincorporated community northwest of Austin,
  • Little Lake is an unincorporated community in the township on M-35 at . It is located to the northeast of Little Lake and approximately four miles east of Gwinn. The community was first settled in 1863 around the mill and general store of the Cheshire Iron Manufacturing Company. The station on the Chicago and North Western Transportation Company was at first named Cheshire Junction. The community was known as Little Lake, because of its proximity to the body of water, but was given a post office named Forsyth after the township in October 1877. In March 1966, the post office was renamed as Little Lake.