S.D. Codified Laws § 38-8-42 (2026)
For the purpose of staggering terms, at the first general election, the three at-large candidates receiving the largest number of votes shall be elected for a four-year term, and the two candidates receiving the next highest number of votes shall be elected for two-year terms. In succeeding elections all supervisors shall be elected for four-year terms commencing the following January first.
Source: SL 1937, ch 19 , § 7; SDC 1939, § 4.1509; SL 1947, ch 12 ; SL 1953, ch 7 , § 1; SL 1957, ch 4 , § 3; SDC Supp 1960, § 4.1509 (1); SDCL § 38-8-38 ; SL 1968, ch 1 , § 6; SL 1994, ch 316 , § 23; SL 2017, ch 179 , § 2.