Colfax Township is a civil township of Mecosta County in the U.S. state of Michigan. The population was 1,962 at the 2020 census. The Rodney ZIP code, 49342, serves areas in the eastern and north central parts of the township. The Rodney ZIP code also serves most of the western part of Martiny Township as well as small areas of northeast Austin Township and northwest Morton Township to the south and the southeast corner of Grant Township and the southwest part of Chippewa Township to the north. The town is the home to the characters of Jef Mallett's Frazz, a comic strip about a school janitor named Edwin "Frazz" Frazier, a Renaissance man and ultra-triathlete. His bored genius sidekick Caulfield, girlfriend Jane Plainwell, friend James Burke, boss Mr. Spaetzle, discordant teacher Mrs. Olsen, and athletic adversary Coach Hacker all reside in Rodney, and are (except for Caulfield, who is a student) staff at the fictional Bryson Elementary School.
Geography
Colfax Township is in central Mecosta County, with Big Rapids, the county seat, west of the township's western border. State highway M-20 passes through the center of the township, connecting Big Rapids to the west with Rodney on the eastern edge of the township, then continuing southeast to the village of Mecosta.
According to the U.S. Census Bureau, the township has a total area of , of which are land and , or 2.06%, are water.