South Dakota state elections in 2020 were held on Tuesday, November 3, 2020. Its primary elections were held on June 2, 2020 (with runoffs on August 11, 2020). In addition to the U.S. presidential race, South Dakota voters will elect the Class II U.S. Senator from South Dakota, 1 of 3 seats on the state's Public Utilities Commission, its at-large seat to the House of Representatives, 1 of 5 seats on the South Dakota Supreme Court, all of the seats of the South Dakota House of Representatives and all of the seats in the South Dakota State Senate. There are also three ballot measures which will be voted on.