U.S. Senate · Idaho
Sen. Mike Crapo (R)
Represents Idaho, in office since Jan. 3, 2023. Official site
$13.76spent by the campaign for every vote cast in the 2022 general election
- This race$13.76
- Opponent$0.17
- ID average$8.21
- Senate average$13.91
Ranks 27 of 96 senators (1 = most spent per vote).
The 2022 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Mike Crapo (R), won | 358,539 (60.7%) | $8,133,192 | $13.76 |
| David Roth (D) | 169,808 (28.7%) | $97,703 | $0.17 |
Total votes cast: 590,890. “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 |
|---|---|---|---|---|---|
| Energy & climateOil and gas industry | Marathon Petroleum PAC, Occidental PAC, API PAC | $19,500 | $0 | $0 | $0 |
| DefenseDefense contractors | Lockheed Martin PAC, RTX PAC | $3,500 | $0 | $0 | $0 |
ID’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.