Clifton is a village in Chebanse Township, Iroquois County, Illinois, United States. The population was 1,468 at the 2010 census, up from 1,317 at the 2000 census.

Iroquois County is a county located in the northeast part of the U.S. state of Illinois. According to the 2020 United States Census, it has a population of 27,077. It is the only county in the United States named Iroquois. The county seat is Watseka. The county is located along the border with Indiana.