Buffalo Township is one of twenty-four townships in Ogle County, Illinois, USA. As of the 2010 census, its population was 2,813 and it contained 1,284 housing units.
According to the 2010 census, the township has a total area of 33.67 square miles (87.2 km2), all land. It contains the city of Polo and the unincorporated town of Buffalo Grove.
The township contains these four cemeteries: Buffalo Grove, Fairmount, Reed and Saint Mary's.
- Polo Community Unit School District 222
- ^ a b "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1". United States Census. Retrieved 2013-05-28.