2020 United States House of Representatives election in South Dakota

The 2020 United States House of Representatives election in South Dakota was held on November 3, 2020, to elect the U.S. representative from South Dakota's at-large congressional district. The election coincided with the 2020 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections.

2020 United States House of Representatives election in South Dakota, at-large district

← 2018 November 3, 2020 2022 →

Nominee Dusty Johnson Randy Luallin Party Republican Libertarian Popular vote 321,984 75,748 Percentage 80.96% 19.04%

County results Precinct results Johnson:      50–60%      60–70%      70–80%      80–90%      >90% Luallin:      50–60%      60–70%      70–80%

U.S. Representative before election Dusty Johnson Republican Elected U.S. Representative Dusty Johnson Republican

Incumbent Republican Dusty Johnson was elected with 60.3% of the vote in 2018.

Republican primary

Candidates

Declared

• Dusty Johnson, incumbent U.S. Representative
• Liz Marty May, state representative^[1]

Primary results

Results by county

  Johnson

•   50–60%
•   60–70%
•   70–80%
•   80–90%

  May

•   50–60%
•   60–70%
•   70–80%

Republican primary results^[2]

Party		Candidate	Votes	%
	Republican	Dusty Johnson (incumbent)	71,496	76.65%
	Republican	Liz Marty May	21,779	23.35%
Total votes			93,275	100.0%

Democratic primary

No candidate was able to gather enough signatures to qualify for the Democratic primary. According to state party chairman Randy Seiler, Democratic canvassing efforts were hampered by the coronavirus outbreak.^[3]

Candidates

Failed to qualify

• Whitney Raver, small business owner^[3]
• Brian Worth, financial crime specialist^[3]

Withdrawn

• Ellee Spawn, resource coordinator

Endorsements

Whitney Raver

Organizations

• National Women's Political Caucus^[4]

Libertarian convention

Candidates

Declared

• Randy Luallin, nominee for Colorado's 2nd congressional district in 2012^[5][6]

General election

Predictions

Source	Ranking	As of
The Cook Political Report[7]	Safe R	November 2, 2020
Inside Elections[8]	Safe R	October 28, 2020
Sabato's Crystal Ball[9]	Safe R	November 2, 2020
Politico[10]	Safe R	November 2, 2020
Daily Kos[11]	Safe R	November 2, 2020
RCP[12]	Safe R	November 2, 2020

Results

South Dakota's at-large congressional district, 2020^[13]

Party		Candidate	Votes	%	±%
	Republican	Dusty Johnson (incumbent)	321,984	80.96%	+20.61%
	Libertarian	Randy Luallin	75,748	19.04%	+17.58%
Total votes			397,732	100.00%
	Republican hold

Counties that flipped from Democratic to Libertarian

• Oglala Lakota (largest city: Pine Ridge)
• Todd (largest city: Mission)

Counties that flipped from Democratic to Republican

• Ziebach (largest city: Dupree)
• Corson (largest city: McLaughlin)
• Clay (largest city: Vermillion)
• Dewey (largest city: North Eagle Butte)
• Buffalo (largest city: Fort Thompson)