[5] Farming is the primary use of land, with only three small towns serving as population centers: According to the United States Census Bureau, the township has a total area of 38.4 square miles (99.4 km2), of which 37.9 square miles (98.2 km2) are land and 4.5 square miles (11.7 km2), or 1.18%, are water.

As of the census[1] of 2000, there were 3,394 people, 1,124 households, and 938 families residing in the township.

There were 1,206 housing units at an average density of 31.7 per square mile (12.2/km2).

The racial makeup of the township was 97.91% White, 0.06% African American, 0.47% Native American, 0.27% Asian, 0.09% Pacific Islander, 0.38% from other races, and 0.82% from two or more races.

13.0% of all households were made up of individuals, and 4.6% had someone living alone who was 65 years of age or older.