Stevenson Township is located in Marion County, Illinois.

As of the 2010 census, its population was 1,301 and it contained 516 housing units.

[2] Stevenson Township (T2N R3E) is centered at 38°36'N 88°52'W (38.602, -88.864).

According to the 2010 census, the township has a total area of 36.71 square miles (95.1 km2), of which 36.68 square miles (95.0 km2) (or 99.92%) is land and 0.04 square miles (0.10 km2) (or 0.11%) is water.

This Marion County, Illinois location article is a stub.