2018 United States House of Representatives election in South Dakota

The 2018 United States House of Representatives election in South Dakota was held on November 6, to elect the U.S. representative for South Dakota's at-large congressional district. The election coincided with other statewide, legislative, and local elections.

Incumbent Republican U.S. Representative Kristi Noem did not run for a fifth term and instead ran successfully for governor of South Dakota. This was the first open seat election since 2004, and the first time a male candidate was elected since 2002. This was the last U.S. House election in South Dakota until 2024 that a Democrat appeared on the November ballot.

Republican primary Candidates Declared Dusty Johnson, former chairman of the South Dakota Public Utilities Commission and former chief of staff to Governor Dennis Daugaard Shantel Krebs, Secretary of State of South Dakota Neal Tapio, state senator, businessman and former Trump campaign director for South Dakota

Declined Kristi Noem, incumbent U.S. representative (running for governor) Eric Terrell

Polling Poll source Date(s)administered Samplesize Marginof error DustyJohnson ShantelKrebs NealTapio UndecidedMason-DixonMason-Dixon May 21–23, 2018 625 ± 4.5% 41% 23% 13% 23%

Primary results

Democratic primary Candidates Declared Tim Bjorkman, former circuit court judge

Failed to file

Chris Martian, former IT professional

Declined Shawn Bordeaux, state representative Troy Heinert, state senator Mike Huether, mayor of Sioux Falls (switched to Independent) Brendan Johnson, former United States Attorney for the District of South Dakota J.R. LaPlante, former South Dakota Secretary of Tribal Relations and State House candidate in 2016 Stephanie Herseth Sandlin, former U.S. representative Billie Sutton, Minority Leader of the South Dakota Senate (running for governor)

Libertarian nomination Candidates Declared George Hendrickson, former police officer

Independents Candidates Declined Mike Huether, mayor of Sioux Falls

General election

Predictions +SourceRankingAs ofThe Cook Political ReportJune 1, 2018The Rothenberg Political ReportJune 1, 2018Sabato's Crystal BallJune 6, 2018

Polling Poll source Date(s)administered Samplesize Marginof error DustyJohnson (R) TimBjorkman (D) Other UndecidedChange Research (D)Change Research (D) November 2–4, 2018 851 – 51% 41% 5%Ron Wieczorek (I) with 3%, George Hendrickson (L) with 2% –Emerson CollegeEmerson College November 1–4, 2018 514 ± 4.5% 54% 38% – 5%Mason-DixonMason-Dixon October 18–22, 2018 500 ± 4.5% 54% 31% 3%Ron Wieczorek (I) with 2%, George Hendrickson (L) with 1% 12%Public Opinion Strategies (R-Johnson)Public Opinion Strategies (R-Johnson) August 1–3 & 5, 2018 400 ± 4.9% 54% 33% – 10%Public Policy Polling (D-Bjorkman)Public Policy Polling (D-Bjorkman) July 19–20, 2018 641 ± 3.9% 43% 33% – 14%

Results

By county CountyDusty JohnsonRepublicanTim BjorkmanDemocraticVarious candidatesOther partiesMarginTotal#%#%#%#%Aurora72857.78%44335.16%897.06%28522.62%1,260Beadle3,82563.40%1,98332.87%2253.73%1,84230.53%6,033Bennett60456.08%43840.67%353.25%16615.41%1,077Bon Homme1,67461.75%94034.67%973.58%73427.07%2,711Brookings6,41855.08%4,71740.48%5184.45%1,70114.60%11,653Brown8,34658.61%5,48238.50%4112.89%2,86420.11%14,239Brule1,23157.98%81438.34%783.67%41719.64%2,123Buffalo17232.45%33062.26%285.28%-158-29.81%530Butte2,79973.97%83622.09%1493.94%1,96351.88%3,784Campbell60182.90%10814.90%162.21%49368.00%725Charles Mix2,08559.07%1,31937.37%1263.57%76621.70%3,530Clark1,15069.74%45227.41%472.85%69842.33%1,649Clay1,90641.37%2,56755.72%1342.91%-661-14.35%4,607Codington7,12967.52%3,14429.78%2852.70%3,98537.74%10,558Corson48444.61%55751.34%444.06%-73-6.73%1,085Custer2,94467.25%1,27329.08%1613.68%1,67138.17%4,378Davison4,80766.30%2,16029.79%2833.90%2,64736.51%7,250Day1,54156.72%1,07239.46%1043.83%46917.26%2,717Deuel1,27264.60%62431.69%733.71%64832.91%1,969Dewey62334.75%1,08460.46%864.80%-461-25.71%1,793Douglas1,16277.78%26517.74%674.48%89760.04%1,494Edmunds1,14768.07%48828.96%502.97%65939.11%1,685Fall River2,14967.51%88227.71%1524.78%1,26739.81%3,183Faulk78073.24%25523.94%302.82%52549.30%1,065Grant2,12166.51%94529.63%1233.86%1,17636.88%3,189Gregory1,48469.93%58627.62%522.45%89842.32%2,122Haakon79684.68%11712.45%272.87%67972.23%940Hamlin1,93971.60%69525.66%742.73%1,24445.94%2,708Hand1,17171.01%42926.02%492.97%74245.00%1,649Hanson1,02264.04%53633.58%382.38%48630.45%1,596Harding56883.28%9413.78%202.93%47469.50%682Hughes5,36667.43%2,33229.30%2603.27%3,03438.13%7,958Hutchinson2,28169.76%88327.00%1063.24%1,39842.75%3,270Hyde46270.75%16425.11%274.13%29845.64%653Jackson57559.16%37038.07%272.78%20521.09%972Jerauld56762.51%31234.40%283.09%25528.11%907Jones42077.49%9417.34%285.17%32660.15%542Kingsbury1,50761.97%85535.16%702.88%65226.81%2,432Lake3,11060.15%1,92537.23%1352.61%1,18522.92%5,170Lawrence6,86863.33%3,48932.17%4874.49%3,37931.16%10,844Lincoln15,04962.69%8,26634.43%6902.87%6,78328.26%24,005Lyman83060.01%50036.15%533.83%33023.86%1,383Marshall1,02452.65%86044.22%613.14%1648.43%1,945McCook1,37355.27%1,04742.15%642.58%32613.12%2,484McPherson79876.22%21620.63%333.15%58255.59%1,047Meade7,16070.60%2,50824.73%4744.67%4,65245.87%10,142Mellette35851.22%30343.35%385.44%557.87%699Miner64258.42%41337.58%444.00%22920.84%1,099Minnehaha38,01754.33%29,36541.97%2,5923.70%8,65212.36%69,974Moody1,62257.42%1,09038.58%1134.00%53218.83%2,825Oglala Lakota33611.35%2,47383.52%1525.13%-2,137-72.17%2,961Pennington25,43361.51%14,09234.08%1,8214.40%11,34127.43%41,346Perkins1,06479.82%22416.80%453.38%84063.02%1,333Potter92377.17%24820.74%252.09%67556.44%1,196Roberts1,91551.98%1,66445.17%1052.85%2516.81%3,684Sanborn67866.67%29228.71%474.62%38637.95%1,017Spink1,73662.45%95834.46%863.09%77827.99%2,780Stanley1,04270.45%37725.49%604.06%66544.96%1,479Sully61375.77%18222.50%141.73%43153.28%809Todd50623.05%1,59872.80%914.15%-1,092-49.75%2,195Tripp1,81474.28%55622.77%722.95%1,25851.52%2,442Turner2,46764.14%1,26232.81%1173.04%1,20531.33%3,846Union4,28264.69%2,15232.51%1852.79%2,13032.18%6,619Walworth1,64873.44%52823.53%683.03%1,12049.91%2,244Yankton5,19158.44%3,38338.09%3083.47%1,80820.36%8,882Ziebach34042.66%41752.32%405.02%-77-9.66%797Totals202,69560.33%121,03336.03%12,2373.64%81,66224.31%335,965

Counties that flipped from Republican to Democratic Corson (largest city: McLaughlin)

See also

2018 United States House of Representatives elections 2018 United States elections

References

External links Candidates at Vote Smart Candidates at Ballotpedia Campaign finance at FEC Campaign finance at OpenSecrets

Official campaign websites Tim Bjorkman (D) for Congress George Hendrickson (L) for Congress Dusty Johnson (R) for Congress Ron Wieczorek (I) for Congress