South Arm Township is a civil township of Charlevoix County in the U.S. state of Michigan. The population was 1,939 at the 2020 census.

Communities

  • Dwight was a historic community within the township. It began with a rural post office that opened on May 28, 1866 with local storekeeper DeGrove Haight serving as the first postmaster. The post office operated until July 19, 1898.
  • Intermediate is a former settlement located along middle section of the south arm of Pine Lake (now Lake Charlevoix). A post office named Intermediate operated from March 2, 1874 until November 30, 1892.
  • Nelsonville is a former community that was settled in Antrim County as early as 1865 by the lumbering firm Nelson, Reddington & Company. When the area became part of the newly-organized Charlevoix County, Nelsonville received a post office on April 26, 1869. The post office closed and was transferred to South Arm on November 23, 1874.
  • Sedan was a community within the township that began with a post office that opened on May 31, 1878 just north of East Jordan. The community's name may have derived from the recent Battle of Sedan (1870) of the Franco-Prussian War. The post office operated until February 1, 1883.
  • South Arm is a historic settlement within the township. It was named for its location along the south arm of Pine Lake (now Lake Charlevoix). It began when Soloman Isaman purchased of land here in 1867. By 1873, he had built his home and a general store, and he became the first postmaster when a post office named South Arm opened on November 23, 1874. In 1877, South Arm was absorbed into the newly incorporated village of East Jordan. The South Arm post office operated until June 30, 1905.

Geography

According to the U.S. Census Bureau, the township has a total area of , of which is land and (6.24) is water.

The township contains a coastline along the southern arm of Lake Charlevoix.

Major highways

  • enters the township briefly in the southeast portion of the township and terminates in the city of East Jordan.
  • runs along the coast of Lake Charlevoix and through East Jordan.
  • is a county-designated highway that runs west–east through the center portion of the township.

Demographics

As of the census

References

Sources

  • South Arm Township official website