IN · CountyClinton County, Indiana20 cities in the directoryCitiesCityPopulationRegionCenter17,362—Colfax703—Forest749—Frankfort16,459—Jackson1,164—Johnson453—Kirklin710—Kirklin1,229—Madison2,120—Michigan1,545—Michigantown423—Mulberry1,222—Owen894—Perry1,485—Ross2,816—Rossville1,513—Sugar Creek450—Union933—Warren591—Washington1,104—