Kinmundy Township is located in Marion County, Illinois, USA. At the 2010 census, its population was 1,186 and it contained 542 housing units.
Kinmundy is believed to be named after a place in Scotland.
Kinmundy Township (T4N R3E) is centered at 38ð47'N 88ð51'W (38.778, -88.983). It is traversed northeastâÂÂsouthwest by Interstate Route 57, State Route 37 and the East Fork of the Kaskaskia River. The city of Kinmundy is located near the center of the township. According to the 2010 census, the township has a total area of , of which (or 99.11%) is land and (or 0.89%) is water.