Maquon is a village in Knox County, Illinois, United States. The population was 318 at the 2000 census. It is part of the Galesburg Micropolitan Statistical Area.
Maquon is located along Illinois Highway 97 and Knox County Highway 20 about a mile north of Illinois Highway 8. The site of a Pottawatomi Native American village, Maquon today has a population of 318. Currently, Dennis Parker is the village president, Alan Swearingen village clerk, and Lisa Roberts treasurer.
Maquon is located at 40°47′54″N 90°9′46″W / 40.79833°N 90.16278°W / 40.79833; -90.16278 (40.798290, -90.162832).