Martinton is a village in Martinton Township, Iroquois County, Illinois, United States. The population was 334 at the 2020 census.

Geography

Martinton is located in northeastern Iroquois County. Illinois Route 1 follows the western border of the village, leading north to St. Anne and south to Watseka, the Iroquois County seat.

According to the 2021 census gazetteer files, Martinton has a total area of , all land.

Demographics

As of the 2020 census