According to the 2021 census gazetteer files, Danforth Township has a total area of 51.65 square miles (133.77 km2), all land.

As of the 2020 census[1] there were 883 people, 326 households, and 193 families residing in the township.

There were 367 housing units at an average density of 7.11 per square mile (2.75/km2).

The racial makeup of the township was 95.70% White, 0.00% African American, 0.11% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.79% from other races, and 3.40% from two or more races.

34.70% of all households were made up of individuals, and 21.20% had someone living alone who was 65 years of age or older.