S.D. Codified Laws § 16-5-22 (2026)
All terms of the circuit court within and for each county shall be held at the county seat thereof.
Source: SL 1913, ch 160 , § 1; RC 1919, § 5185; SL 1923, ch 303 , § 4; SDC 1939 & Supp 1960, § 32.0401; SL 1966, ch 114 , § 1; SL 1985, ch 15 , § 33.