Trump flipped back Ziebach County, which he won in 2016 but lost to Biden in 2020.

The South Dakota Democratic was held on June 4, 2024, alongside primaries in the District of Columbia, Montana, New Jersey, and New Mexico.

Under state law, no primary will be held if a candidate runs for a nomination unopposed.

[3] As Donald Trump was the only Republican candidate to file for the presidential primary, no popular vote was held.

South Dakota has only one congressional district because of its small population compared to other states.