Tallmadge Township, Michigan

Tallmadge Charter Township is a charter township of Ottawa County in the U.S. state of Michigan. The population was 8,802 at the 2020 census.

Communities

Finnasey was a rural post office in Tallmadge Township from 1882 until 1883.
Lamont is a village and census-designated place on the north side of the Grand River at . It was founded in 1833 by Harry and Zine Steele, and was known for many years as Steele's Landing. The Steele's Landing post office was established January 9, 1851. In the same year, the Steeles had the village platted as "Middleville", due to being located midway between Grand Rapids and Grand Haven, although the post office remained Steele's Landing. In 1855 Lamont Chubb, of Grand Rapids, offered a road scraper to the village in exchange for the community taking on his name. The post office was duly renamed as Lamont on July 2, 1856. The Lamont ZIP code 49430 provides P.O. Box-only service.
Grand Valley is an unincorporated community on M-45 just east of the Grand River.
Tallmadge is an unincorporated community near the center of the township at .
The city of Coopersville is to the northwest, and the Coopersville ZIP code 49404 serves areas in the northwest part of Tallmadge Township.
Marne is a village along the northern boundary with Wright Township. The Marne ZIP code 49435 also serves areas in the central part of Tallmadge Township.
The city of Walker is to the east, and the Walker/Grand Rapids ZIP code 49544 serves the eastern parts of Tallmadge Township.

According to the United States Census Bureau, the township has a total area of , of which is land and , or 1.76%, is water.

As of the census