The 2018 Wisconsin Spring Election was held April 3, 2018. Republicans maintained control of both chambers in the Wisconsin Legislature however, as well as a majority of the state's U.S. The Democrats swept in all of the fall elections for statewide officials, unseating three incumbent Republicans, including two-term Governor Scott Walker, and winning the open race for State Treasurer. There were also special elections held during 2018 for three State Assembly seats and two State Senate seats.
The 2018 Wisconsin Fall Partisan Primary was held August 14, 2018. Senate seats, Wisconsin's eight seats in the United States House of Representatives, seventeen seats in the Wisconsin State Senate, and all 99 seats in the Wisconsin State Assembly. All of Wisconsin's partisan executive and administrative offices were up for election as well as one of Wisconsin's U.S. The 2018 Wisconsin Fall General Election was held in the U.S.
