[3] Originally in September 20, 1873, the county board approved a petition to organize it as the Greenfield Township but the order was lost before beginning recorded.

The first school in the county was a sod structure built in 1874 and staffed by teacher Mary Nason.

[4] According to the United States Census Bureau, the township has a total area of 35.8 square miles (93 km2), all land.

16.9% of all households were made up of individuals, and 7.0% had someone living alone who was 65 years of age or older.

About 4.9% of families and 7.5% of the population were below the poverty line, including 11.4% of those under the age of eighteen and none of those 65 or over.