[2] East Meadows and Southmore Heights are subdivisions of Altamont Dexter The township contains these ten cemeteries: Bethlehem, Drysdale, German Methodist, Immanuel Lutheran, McCoy, Newman, Saint Clare Catholic, Union, Union and Zion Lutheran.

As of the 2020 census[1] there were 3,575 people, 1,560 households, and 1,001 families residing in the township.

There were 1,541 housing units at an average density of 41.54 per square mile (16.04/km2).

The racial makeup of the township was 95.41% White, 0.17% African American, 0.31% Native American, 0.34% Asian, 0.00% Pacific Islander, 0.48% from other races, and 3.30% from two or more races.

33.50% of all households were made up of individuals, and 17.50% had someone living alone who was 65 years of age or older.