Winfield Township is a civil township of Montcalm County in the U.S. state of Michigan. As of the 2020 census, the township population was 2,279. Located near the center of the township, the community was a station on the Pere Marquette Railroad and was platted and recorded by on July 8, 1886. A post office operated from February 5, 1887, until December 31, 1953. It was named in honor of Rev. Ole Amble, minister in the Danish Lutheran Church.

Decora was an unincorporated community in Winfield Township that had a post office from 1879 until 1880.

Demographics

As of the census