U.S. Senate · South Dakota
Sen. John Thune (R)
Represents South Dakota, in office since Jan. 3, 2023. Official site
$19.76spent by the campaign for every vote cast in the 2022 general election
- This race$19.76
- Opponent$1.41
- SD average$13.74
- Senate average$13.91
Ranks 19 of 96 senators (1 = most spent per vote).
The 2022 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| John Thune (R), won | 242,316 (69.6%) | $6,876,135 | $19.76 |
| Brian Bengs (D) | 91,007 (26.1%) | $492,267 | $1.41 |
Total votes cast: 348,020. “Per vote cast” is the campaign’s total spending for that election divided by all votes cast in the race.
Tracked issue money in 2026
| Issue | Groups | Given | Bundled | Spent for | Spent against |
|---|---|---|---|---|---|
| GunsGun rights | NRA-PVF | $5,000 | $0 | $0 | $0 |
| Energy & climateOil and gas industry | ConocoPhillips PAC, API PAC | $13,000 | $0 | $0 | $0 |
| Energy & climateClean energy industry | CleanPower PAC | $5,000 | $0 | $0 | $0 |
| DefenseDefense contractors | RTX PAC | $3,500 | $0 | $0 | $0 |
SD’s other senator
Results: state-certified totals (sources in How this works). Spending: FEC candidate totals for the 2022 election (as of Oct. 6, 2026). How this is calculated.