Jefferson Township, Sullivan County, Indiana

Jefferson Township is one of nine townships in Sullivan County, Indiana, United States. At the 2020 census, its population was 355 and it contained 218 housing units.

Geography
According to the 2010 census, the township has a total area of 42.95 sqmi, of which 42.42 sqmi (or 98.77%) is land and 0.53 sqmi (or 1.23%) is water.

Unincorporated towns
(This list is based on USGS data and may include former settlements.)
 * Bucktown at 38.99477°N, -87.26001°W
 * Pleasantville at 38.96699°N, -87.25029°W

Adjacent townships

 * Cass Township (north)
 * Stockton Township, Greene County (northeast)
 * Stafford Township, Greene County (east)
 * Vigo Township, Knox County (south)
 * Widner Township, Knox County (southwest)
 * Haddon Township (west)

Cemeteries
The township contains six cemeteries: Hale, McDade, Pirtle, Posey, Smith and Woodward.

Lakes

 * Motorboat Lake
 * Red Lake
 * South Lake
 * T Lake
 * Twin Lake

School districts

 * Northeast School Corporation