2026 United States House of Representatives election in South Dakota

2026 United States House of Representatives election in South Dakota's at-large district

←  2024 November 3, 2026 2028 →

Party Republican Democratic

Incumbent U.S. Representative Dusty Johnson Republican

The 2026 United States House of Representatives election in South Dakota is scheduled to be held on November 3, 2026, to elect a member of the United States House of Representatives to represent the state of South Dakota from its at-large congressional district . The election will coincide with other elections held on the same date. The primary elections will be held on June 2, 2026. ^[1]

Incumbent Republican representative Dusty Johnson was re-elected with 72.0% of the vote in 2024. ^[2]

Republican primary

Candidates

Declared

• Marty Jackley, South Dakota Attorney General (2009–2019, 2023–present) and candidate for governor in 2018 ^[3]

Filed paperwork

• Casey Crabtree, state senator from the 8th district (2020–present) and former Majority Leader of the South Dakota Senate (2023–2025) ^[4]

Potential

• Amber Hulse, state senator from the 30th district (2025–present) ^[5]
• Tony Venhuizen, Lieutenant Governor of South Dakota (2025–present) ^[5]

Declined

• Dusty Johnson, incumbent U.S. representative (running for governor) ^[6]

Polling

Hypothetical polling

Poll source	Date(s) administered	Sample size [a]	Margin of error	Casey Crabtree	Marty Jackley	Tony Venhuizen	Undecided
Guidant Polling [7]	June 17–19, 2025	400 (LV)	± 4.9%	5%	48%	5%	42%

Democratic primary

Candidates

Declared

• Billy Mawhiney, nonprofit executive ^[8]

Filed paperwork

• Scott Schlagel ^[9]

General election

Predictions

Source	Ranking	As of
The Cook Political Report [10]	Solid R	July 10, 2025
Inside Elections [11]	Solid R	July 10, 2025
Sabato's Crystal Ball [12]	Safe R	July 10, 2025

Notes

1. Key:
   A – all adults
   RV – registered voters
   LV – likely voters
   V – unclear

References

1. "South Dakota 2026 General Election". The Green Papers. Retrieved June 13, 2025.
2. "2024 House Vote Tracker". Cook Political Report . Retrieved June 13, 2025.
3. Dausch, Dominik (June 27, 2025). "Marty Jackley plans to run for US Rep. Dusty Johnson's job. Here's what we know". Argus Leader .
4. Haiar, Joshua (July 9, 2025). "State lawmaker files statement of candidacy to run for U.S. House". South Dakota Searchlight . Retrieved July 9, 2025.
5. Sneve, Joe (June 29, 2025). "What Marty Jackley's congressional run tells us about the 2026 GOP primary". Sioux Falls Live. Retrieved July 1, 2025.
6. Hill, Meredith Lee (June 27, 2025). "Rep. Dusty Johnson to announce a bid for South Dakota governor Monday". Politico . Retrieved June 28, 2025.
7. "New poll shows Jackley leading potential candidates for U.S. House". KDLT-TV. June 27, 2025. Retrieved June 28, 2025.
8. Deinken, Asher (August 28, 2025). "New candidate enters the Congressional race". KELO-TV . Retrieved August 28, 2025.
9. "SCHLAGEL, SCOTT WADE FEC FORM 2 STATEMENT OF CANDIDACY FILING FEC-1880071".
10. "2026 CPR House Race Ratings". Cook Political Report. Retrieved July 10, 2025.
11. "2026 House Ratings". Inside Elections.
12. "2026 House". Sabato's Crystal Ball. Retrieved July 10, 2025.

External links

Official campaign websites

• Marty Jackley (R) for Congress
• Billy Mawhiney (D) for Congress