2022 South Dakota elections

Incumbent three-term Republican U.S. Senator John Thune, who is the Senate Minority Whip, won the Republican primary against Bruce Whalen and Mark Mowry. Thune was reelected to a fourth term, defeating Democrat Brian Bengs.^[2]

Incumbent Republican U.S. Representative Dusty Johnson won the Republican primary against Taffy Howard. No Democrats filed to run, and Johnson defeated his only challenger, a Libertarian.^[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.^[4]

Incumbent Republican secretary of state Steve Barnett lost re-nomination at the Republican convention to Monae Johnson, who also won the general election.

Incumbent Republican state treasurer Josh Haeder won re-election.

Constitutional Amendment C

60% Vote Requirement for Ballot Measures Increasing Taxes or Appropriating $10 Million Amendment
Results
Choice Votes % Yes 59,111 32.57% No 122,387 67.43% Total votes 181,498 100.00%
Yes   50–60% No   70–80%   60–70%   50–60%

2022 South Dakota Amendment C was on the June 7 primary ballot. 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. It was rejected by a significant margin.^[7][8]

Amendment C^[8]

Choice	Votes	%
No	122,387	67.43
Yes	59,111	32.57
Total votes	181,498	100.00

Constitutional Amendment D

An initiated amendment to the South Dakota Constitution expanding Medicaid eligibility
Results
Choice Votes % Yes 192,057 56.21% No 149,616 43.79% Total votes 341,673 100.00%
Yes   80–90%   70–80%   60–70%   50–60% No   60–70%   50–60%

2022 South Dakota Amendment D was a citizen-initiated state constitutional amendment on the November 8 general election ballot. The amendment intended to expand Medicaid eligibility. The amendment passed with around 56% of the vote.^[9][10]

Amendment D^[9]

Choice	Votes	%
Yes	192,057	56.21
No	149,616	43.79
Total votes	341,673	100.00