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.

2018 United States House of Representatives election in South Dakota, At-large district

← 2016November 6, 2018 (2018-11-06)2020 →
 
NomineeDusty JohnsonTim Bjorkman
PartyRepublicanDemocratic
Popular vote202,446120,816
Percentage60.3%36.0%

Johnson:      40–50%      50–60%      60–70%      70–80%      80–90%      >90%
Bjorkman:      40–50%      50–60%      60–70%      70–80%      80–90%
Tie:      40–50%

U.S. Representative before election

Kristi Noem
Republican

Elected U.S. Representative

Dusty Johnson
Republican

Incumbent Republican U.S. Representative Kristi Noem did not run for a fifth term and instead ran successfully for Governor of South Dakota.[1] This is 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

Declined

Polling

Poll sourceDate(s)
administered
Sample
size
Margin
of error
Dusty
Johnson
Shantel
Krebs
Neal
Tapio
Undecided
Mason-DixonMay 21–23, 2018625± 4.5%41%23%13%23%

Primary results

Results by county:
  Johnson
  •   30–40%
  •   40–50%
  •   50–60%
  Krebs
  •   30–40%
  •   40–50%
  Tapio
  •   30–40%
  •   40–50%
Republican primary results
PartyCandidateVotes%
RepublicanDusty Johnson 47,032 46.8
RepublicanShantel Krebs29,44229.3
RepublicanNeal Tapio23,98024.0
Total votes100,454 100

Democratic primary

Candidates

Declared

  • Tim Bjorkman, former circuit court judge[6]

Failed to file

  • Chris Martian, former IT professional[7]

Declined

Libertarian nomination

Candidates

Declared

  • George Hendrickson, former police officer[14][15]

Independents

Candidates

Declined

General election

Predictions

SourceRankingAs of
The Cook Political Report[18]Solid RJune 1, 2018
The Rothenberg Political Report[19]Solid RJune 1, 2018
Sabato's Crystal Ball[20]Safe RJune 6, 2018

Polling

Poll sourceDate(s)
administered
Sample
size
Margin
of error
Dusty
Johnson (R)
Tim
Bjorkman (D)
OtherUndecided
Change Research (D)November 2–4, 201885151%41%5%[21]
Emerson CollegeNovember 1–4, 2018514± 4.5%54%38%5%
Mason-DixonOctober 18–22, 2018500± 4.5%54%31%3%[22]12%
Public Opinion Strategies (R-Johnson)August 1–3 & 5, 2018400± 4.9%54%33%10%
Public Policy Polling (D-Bjorkman)July 19–20, 2018641± 3.9%43%33%14%

Results

South Dakota's at-large congressional district, 2018[23]
PartyCandidateVotes%±%
RepublicanDusty Johnson 202,446 60.35% -3.75%
DemocraticTim Bjorkman120,81636.01%+0.11%
IndependentRon Wieczorek7,3132.18%N/A
LibertarianGeorge D. Hendrickson4,8961.46%N/A
Total votes335,471 100.0% N/A
Republican hold

Counties that flipped from Republican to Democratic

See also

References

Official campaign websites