As of the 2020 census, its population was 583 and it contained 211 housing units.

[2] The township was named for Gen. Lewis Cass, Governor of Michigan Territory.

[3] According to the 2010 census, the township has a total area of 36.19 square miles (93.7 km2), all land.

[5] (This list is based on USGS data and may include former settlements.)

The township contains Bell Center Cemetery.