Stillwater Township is a township in Washington County, Minnesota, United States. The population was 1,866 at the 2020 census.

Geography

According to the United States Census Bureau, the township has a total area of 17.5 square miles (45.4 km), of which 16.5 square miles (42.8 km) is land and 1.0 square mile (2.5 km) (5.59%) is water. Minnesota State Highways 95 and 96 are two of the main routes in the township.

The township contains eight properties listed on the National Register of Historic Places: the precolumbian St. Croix River Access Site, the 1863 Point Douglas–St. Louis River Road Bridge, the 1872 Pest House, the 1877 Bridge No. 5721, the late-1870s Henry Stussi House, the circa-1885 St. Croix Boom Company House and Barn, the 1911 Soo Line High Bridge, as well as the St. Croix Boom Site, which is a National Historic Landmark.

Demographics

As of the census