 Currently, 31% of South Dakota voters are registered as Democrats compared to 46% registered as Republicans, putting the Democrats at a disadvantage in the state.Currently, Republicans hold every statewide elected office, as well as both of the state's seats in the United States Senate and its sole seat in the House of Representatives.In 2016, the Republicans had their best showing in the House in 40 years and won their record 12th straight presidential vote.