Ohio's 12th congressional district is a United States congressional district in central Ohio, covering Delaware County, Morrow County, and Licking County, along with parts of Franklin, Marion, Muskingum, and Richland counties. The district includes communities north and east of Columbus including Zanesville, Mansfield, and Dublin. It is currently represented by Troy Balderson, a member of the Republican Party. Balderson took office following a special election held on August 7, 2018, to replace Rep. Pat Tiberi, who had resigned on January 15, 2018. Balderson was then re-elected in the 2018 general election two months later.