Belle Prairie Township is located in Livingston County, Illinois in the United States. As of the 2010 census, its population was 135 and it contained 55 housing units.
Hoffman, M. M., & Hieronymus, D. J. (2002). Potosi, a ghost town and the Fairview community. Place of publication not identified: publisher not identified. A history of communities in the Belle Prairie township. Potosi a ghost town and Fairview Community
According to the 2010 census, the township has a total area of , all land.