Union County voters delivered clear, often commanding margins in Tuesday’s Republican primary, shaping several key federal, state and local contests, according to unofficial results from the South Dakota Secretary of State’s Office.

Federal races

Updated polling place information is now posted below, including the corrected Beresford address. The earlier version we published listed Beresford's location incorrectly, and we want to ensure voters have the accurate details they need before heading out to vote. Please verify your polling site with official county election resources.