Clifton is a village in Clark and Greene counties in the U.S. state of Ohio and is home to the Clifton Mill, one of the largest water-powered grist mills still in existence. The population was 131 at the 2020 census.

Clark County is a county located in the west central portion of the U.S. state of Ohio. As of the 2020 census, the population was 136,001. Its county seat and largest city is Springfield. The county was created on March 1, 1818, and was named for General George Rogers Clark, a hero of the American Revolution.