This year’s filing deadline for candidates running for the U.S. House of Representatives in South Dakota was March 31, 2026.
Three candidates — one Democrat and two Republicans — are running for South Dakota’s At-Large Congressional District. That’s the second-highest number of candidates running in South Dakota since 2014. Two candidates ran for the district in 2024, two ran in 2022, two in 2020, four in 2018, two in 2016, and two in 2014.