Smallwood Township is one of eleven townships in Jasper County, Illinois, USA. As of the 2010 census, its population was 411 and it contained 165 housing units.

According to the 2010 census, the township has a total area of 41.74 square miles (108.1 km), of which 41.67 square miles (107.9 km) (or 99.83%) is land and 0.08 square miles (0.21 km) (or 0.19%) is water.

• Bogota at 38°55′06″N 88°14′24″W / 38.918378°N 88.240041°W / 38.918378; -88.240041
• Shamrock at 38°53′27″N 88°11′14″W / 38.890879°N 88.187262°W / 38.890879; -88.187262

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

• Wade Township (north)
• Fox Township (east)
• Preston Township, Richland County (southeast)
• Denver Township, Richland County (south)
• Pixley Township, Clay County (southwest)
• South Muddy Township (west)
• North Muddy Township (northwest)

The township contains these seven cemeteries: Cummins, Hankins, Honey, Lancaster, Pleasant Ridge, Tate and Woods.

• Jasper County Flying Club Airport

• Berry Lake

Historical population

Census	Pop.	Note	%±
2016 (est.)	406
U.S. Decennial Census

• Jasper County Community Unit School District 1

• Illinois' 19th congressional district
• State House District 108
• State Senate District 54

• "Smallwood Township, Jasper County, Illinois". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved January 17, 2010.
• United States Census Bureau 2007 TIGER/Line Shapefiles
• United States National Atlas

• City-Data.com
• Illinois State Archives