Minonk is a city in Woodford County, Illinois, United States. The population was 2,168 at the 2000 census. It is part of the Peoria, Illinois Metropolitan Statistical Area.
Minonk is located at 40°54′8″N 89°2′10″W / 40.90222°N 89.03611°W / 40.90222; -89.03611 (40.902357, -89.035992).
According to the United States Census Bureau, the city has a total area of 1.4 square miles (3.5 km²), all of it land. Minonk is surrounded by some of the best farm land in the world. Corn and soybeans are staple crops.