Thune was reelected to a fourth term, defeating Democrat Brian Bengs.

[3] Incumbent Republican governor Kristi Noem defeated Democratic nominee Representative Jamie Smith to win reelection.

Incumbent Republican attorney general Jason Ravnsborg did not seek reelection.

Incumbent Republican state treasurer Josh Haeder won re-election.

The amendment intended to require future ballot measures that would cost more than ten million dollars to receive 60% of the vote to be approved, instead of a simple majority.