[2] Within the township lies the Duffy site, a Late Woodland Native American archaeological site located southeast of the village of New Haven.

[3] As of the 2020 census[1] there were 446 people, 199 households, and 114 families residing in the township.

There were 228 housing units at an average density of 5.01 per square mile (1.93/km2).

The racial makeup of the township was 96.64% White, 0.00% African American, 0.00% Native American, 0.67% Asian, 0.00% Pacific Islander, 0.00% from other races, and 2.69% from two or more races.

27.60% of all households were made up of individuals, and 9.50% had someone living alone who was 65 years of age or older.