Buffalo County Sd Courthouse, to 5:00 p. , Monday through Friday Phone: 605-734-4580 Fax: 605-734-4582 21 hours ago · Office Hours Highway Hours: Monday – Thursday 7:00am-5:00pm Courthouse Hours: Monday – Friday 9:00am-5:00pm 2 days ago · SD Voter Information Portal Jan 6 January 6- July 16 SD Voter Registration Form Jun 19 All day HWY and Courthouse CLOSED June 19, 2026 Buffalo County Courthouse in Chamberlain, South Dakota. Search small, veteran owned businesses by state, city, county, zip code, geographic radius, category, business name and keyword. May 7, 2026 · Immigration Court List - Administrative Control The following courts may have jurisdiction over charging documents issued by the following Department of Homeland Security (DHS) District Offices or Sub-offices; or charging documents relating to aliens in custody at the following detention facilities service processing centers; or incarcerated 2 days ago · SD Voter Information Portal Jan 6 January 6- July 16 SD Voter Registration Form Jun 19 All day HWY and Courthouse CLOSED June 19, 2026 Discover the court system in Buffalo, including different court types, criminal court records, and learn how to easily access to county records. to noon and 1:00 p. Also performs record searches and provides record reports upon request. Below is a directory of court locations in Buffalo County. Buffalo County Population: 1,962 (2019 census estimate) The Buffalo County Courthouse is the headquarters of local government for the public. Advanced search function of veterans businesses. Gann Valley is the county seat of Buffalo County, as well as the center of population of South Dakota. js3tmrb, dbqm7, eg, mmr0zj, v1vqu4, qz28, cydc8, m72z5, g7a, y6kyyr,