Day County, South Dakota is governed by a 5-member governing board. The current county commissioner is Roy Aldrich. See all 11 named officeholders and how to reach each office.
Population: 5,484.
Selected officeholders: County Commissioner: Roy Aldrich · County Commissioner: Daniel Kjos · County Commissioner: Sara McGregor-Okroi · County Commissioner: Derek Sinner · County Commissioner: Blake Torrence · State's Attorney: John Knight.