Clinton is a city in Clinton Township, Vermillion County, in the U.S. state of Indiana. The population was 4,893 at the 2010 census.

Vermillion County lies in the western part of the U.S. state of Indiana between the Illinois border and the Wabash River. As of the 2020 census, the population was 15,439. The county seat is Newport. It was officially established in 1824 and was the fiftieth Indiana county created. Vermillion County is included in the Terre Haute, Indiana, Metropolitan Statistical Area. The county contains seven incorporated towns with a total population of about 9,900. as well as several unincorporated communities; it is also divided into five townships which provide local services. An interstate highway, two U.S. routes, and five state roads cross the county, as does a major railroad line.