Moore's Prairie Township is one of sixteen townships in Jefferson County, Illinois, USA.

As of the 2010 census, its population was 347 and it contained 142 housing units.

[2] According to the 2010 census, the township has a total area of 36.59 square miles (94.8 km2), of which 36.36 square miles (94.2 km2) (or 99.37%) is land and 0.23 square miles (0.60 km2) (or 0.63%) is water.

[2] The township is centered at 38°10'N 88°45'W (38.169,-88.754).