Colfax Township is one of seventeen townships in Boone County, Iowa, United States. As of the 2000 census, its population was 746.

History

Colfax Township was organized in 1871. It is named for Schuyler Colfax.

Geography

Colfax Township covers an area of 34.97 square miles (90.6 km) and contains no incorporated settlements. According to the USGS, it contains one cemetery, Olive Branch.