United States House election in South Dakota, 2020 (June 2 Democratic primary)

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2022
2018
South Dakota's At-Large Congressional District
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Democratic primary
Republican primary
General election
Election details
Filing deadline: March 31, 2020
Primary: June 2, 2020
Primary runoff: August 11, 2020
General: November 3, 2020

Pre-election incumbent:
Dusty Johnson (R)
How to vote
Poll times: 7 a.m. to 7 p.m.
Voting in South Dakota
Race ratings
Cook Political Report: Solid Republican
Inside Elections: Solid Republican
Sabato's Crystal Ball: Safe Republican
Ballotpedia analysis
U.S. Senate battlegrounds
U.S. House battlegrounds
Federal and state primary competitiveness
Ballotpedia's Election Analysis Hub, 2020
See also
South Dakota's At-Large Congressional District
U.S. SenateAt-large
South Dakota elections, 2020
U.S. Congress elections, 2020
U.S. Senate elections, 2020
U.S. House elections, 2020


The 2020 U.S. House of Representatives elections in South Dakota took place on November 3, 2020. Voters elected one candidate to serve in the U.S. House from the state's at-large congressional district. This page focuses on the Democratic primary that took place in South Dakota on June 2, 2020.

Click here for more information about the Republican primary.

Candidate filing deadline Primary election General election
March 31, 2020
June 2, 2020
November 3, 2020


Heading into the election the incumbent was Republican Dusty Johnson, who was first elected in 2018.

A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election. South Dakota law allows parties to choose whether to let unaffiliated voters vote in their elections. For more information on recognized political parties in South Dakota and their primary policies, see here.[1][2]

For information about which offices are nominated via primary election, see this article.

Election procedure changes in 2020

See also: Changes to election dates, procedures, and administration in response to the coronavirus (COVID-19) pandemic, 2020

Ballotpedia provided comprehensive coverage of how election dates and procedures changed in 2020. While the majority of changes occurred as a result of the coronavirus (COVID-19) pandemic, some changes occurred for other reasons.

South Dakota modified its primary election process as follows:

  • Voting procedures: Absentee ballot applications sent to all registered voters in the primary election.

For a full timeline about election modifications made in response to the COVID-19 outbreak, click here.


Candidates and election results

At-large district

The Democratic primary for U.S. House South Dakota was canceled. No candidates qualified for this race.

Pivot Counties

See also: Pivot Counties by state

Five of 66 South Dakota counties—7.6 percent—are Pivot Counties. Pivot Counties are counties that voted for Barack Obama (D) in 2008 and 2012 and for Donald Trump (R) in 2016. Altogether, the nation had 206 Pivot Counties, with most being concentrated in upper midwestern and northeastern states.

Counties won by Trump in 2016 and Obama in 2012 and 2008
County Trump margin of victory in 2016 Obama margin of victory in 2012 Obama margin of victory in 2008
Corson County, South Dakota 4.51% 11.08% 21.48%
Day County, South Dakota 23.77% 6.16% 12.89%
Marshall County, South Dakota 15.51% 8.66% 16.48%
Roberts County, South Dakota 15.53% 9.84% 19.64%
Ziebach County, South Dakota 1.96% 16.43% 27.16%

In the 2016 presidential election, Donald Trump (R) won South Dakota with 61.5 percent of the vote. Hillary Clinton (D) received 31.7 percent. In presidential elections between 1900 and 2016, South Dakota cast votes for the winning presidential candidate 63.3 percent of the time. In that same time frame, South Dakota supported Republican candidates for president more often than Democratic candidates, 86.7 to 10.0 percent. The state favored Republicans in every presidential election between 2000 and 2016.

Presidential results by legislative district

The following table details results of the 2012 and 2016 presidential elections by state House districts in South Dakota. Click [show] to expand the table. The "Obama," "Romney," "Clinton," and "Trump" columns describe the percent of the vote each presidential candidate received in the district. The "2012 Margin" and "2016 Margin" columns describe the margin of victory between the two presidential candidates in those years. The "Party Control" column notes which party held that seat heading into the 2018 general election. Data on the results of the 2012 and 2016 presidential elections broken down by state legislative districts was compiled by Daily Kos.[3][4]

In 2012, Barack Obama (D) won six out of 37 state House districts in South Dakota with an average margin of victory of 19.9 points. In 2016, Hillary Clinton (D) won four out of 37 state House districts in South Dakota with an average margin of victory of 12.7 points. Clinton won one district controlled by a Republican heading into the 2018 elections.
In 2012, Mitt Romney (R) won 31 out of 37 state House districts in South Dakota with an average margin of victory of 22.4 points. In 2016, Donald Trump (R) won 33 out of 37 state House districts in South Dakota with an average margin of victory of 32.5 points. Trump won five districts controlled by Democrats heading into the 2018 elections.

District analysis

See also: The Cook Political Report's Partisan Voter Index
See also: FiveThirtyEight's elasticity scores

The 2017 Cook Partisan Voter Index for this district is R+14, meaning that in the previous two presidential elections, this district's results were 14 percentage points more Republican than the national average. This made South Dakota's At-Large Congressional District the 89th most Republican nationally.[5]

FiveThirtyEight's September 2018 elasticity score for states and congressional districts measured "how sensitive it is to changes in the national political environment." This district's elasticity score was 1.01. This means that for every 1 point the national political mood moved toward a party, the district was expected to move 1.01 points toward that party.[6]

Campaign finance

The chart below contains data from financial reports submitted to the Federal Election Commission.

There are currently no declared candidates in this race. Know of one we missed? Click here to let us know.


General election race ratings

See also: Race rating definitions and methods

Ballotpedia provides race ratings from four outlets: The Cook Political Report, Inside Elections, Sabato's Crystal Ball, and DDHQ/The Hill. Each race rating indicates if one party is perceived to have an advantage in the race and, if so, the degree of advantage:

  • Safe and Solid ratings indicate that one party has a clear edge and the race is not competitive.
  • Likely ratings indicate that one party has a clear edge, but an upset is possible.
  • Lean ratings indicate that one party has a small edge, but the race is competitive.[7]
  • Toss-up ratings indicate that neither party has an advantage.

Race ratings are informed by a number of factors, including polling, candidate quality, and election result history in the race's district or state.[8][9][10]

Race ratings: South Dakota's At-large Congressional District election, 2020
Race trackerRace ratings
November 3, 2020October 27, 2020October 20, 2020October 13, 2020
The Cook Political ReportSolid RepublicanSolid RepublicanSolid RepublicanSolid Republican
Inside Elections with Nathan L. GonzalesSolid RepublicanSolid RepublicanSolid RepublicanSolid Republican
Larry J. Sabato's Crystal BallSafe RepublicanSafe RepublicanSafe RepublicanSafe Republican
Note: Ballotpedia updates external race ratings every week throughout the election season.

See also

Footnotes


Senators
Representatives
Republican Party (3)