Greentown is an unincorporated community in eastern Smithfield Township, Jefferson County, Ohio, United States. It lies approximatel…Greentown is an unincorporated community in eastern Smithfield Township, Jefferson County, Ohio, United States. It lies approximately 2 miles south of Smithfield, on a small road. Part of the Dry Fork of Short Creek, a stream that meets the Ohio River at Rayland, flows past the community. It is located 11+3⁄4 miles southwest of Steubenville, the county seat of Jefferson County. The community is part of the Weirton–Steubenville, WV-OH Metropolitan Statistical Area.