Federal race · 2020
New Hampshire U.S. Senate, 2020
Primary: September 8, 2020 · General election: November 3, 2020
Money raised
- Jeanne Shaheen (D)$18M raised · $1.1M on hand
- Bryant 'Corky' S. Messner (R)$7.2M raised · $58K on hand
- Donald C. Bolduc (R)$1.1M raised · $32K on hand
- William Lawrence O'Brien (R)$106K raised · $0 on hand
- Justin F O'Donnell (L)$6K raised · $4K on hand
Raised Cash on hand · bars are blue for Democrats, red for Republicans, gray for others
Candidates
| Candidate | Status | Raised | Spent | Cash on hand | Through |
|---|---|---|---|---|---|
| Jeanne Shaheen (D) | Won the general election (56.63%) | $18,172,382.69 | $17,521,348.95 | $1,118,461.93 | 2020-12-31 |
| Bryant 'Corky' S. Messner (R) | Lost the general election (40.99%) | $7,150,052.78 | $7,091,752.65 | $58,300.13 | 2020-12-31 |
| Donald C. Bolduc (R) | Lost primary | $1,076,113.80 | $1,043,933.29 | $32,180.51 | 2020-12-31 |
| William Lawrence O'Brien (R) | Withdrawn | $105,956.54 | $105,956.54 | $0.00 | 2020-06-24 |
| Justin F O'Donnell (L) | General-election nominee | $6,240.00 | $4,852.74 | $4,477.93 | 2020-10-14 |
Totals from the FEC candidate summary file, retrieved October 23, 2026. A dated snapshot, not live reporting; each candidate’s FEC page is the official source.
Total spent on this race
$23,619,000.27 = candidates’ own spending $22,298,329.91 + outside spending $1,320,670.36
| Candidate | Outside spending for | Against | Electioneering and member messages |
|---|---|---|---|
| Jeanne Shaheen | $267,085.73 | $401,438.47 | $2,706.38 |
| Donald C. Bolduc | $550,700.72 | $0.00 | $0.00 |
| Bryant 'Corky' S. Messner | $87,414.20 | $10,820.06 | $0.00 |
| William Lawrence O'Brien | $0.00 | $504.80 | $0.00 |
Candidates’ own spending is their committees’ disbursements less transfers to other committees, contributions to others, loan repayments and refunds (FEC committee summary). Outside spending is independent expenditures, electioneering communications and company or union member communications for or against these candidates (FEC totals by candidate from regular reports, retrieved October 24, 2026; the latest 24- and 48-hour notices are not included yet). Party coordinated spending is not split by race and is not included. All the money
Polling and ratings
Race ratings
Recent polls
| Pollster | Dates | Sample | Margin of error | Results |
|---|---|---|---|---|
| American Research Group | October 26–28, 2020 | 600 (LV) | ± 4% | Jeanne Shaheen 57% · Bryant Messner 40% |
| University of New Hampshire | October 24–28, 2020 | 864 (LV) | ± 3.3% | Jeanne Shaheen 54% · Bryant Messner 43% |
| Saint Anselm College | October 23–26, 2020 | 1,018 (LV) | ± 3.1% | Jeanne Shaheen 54% · Bryant Messner 39% |
| YouGov/UMass Lowell | October 16–26, 2020 | 757 (LV) | ± 4.5% | Jeanne Shaheen 57% · Bryant Messner 38% |
| University of New Hampshire | October 9–12, 2020 | 899 (LV) | ± 3.3% | Jeanne Shaheen 55% · Bryant Messner 40% |
| Suffolk University | October 8–12, 2020 | 500 (LV) | ± 4.4% | Jeanne Shaheen 51% · Bryant Messner 36% |
Ratings and polls as listed on Wikipedia: 2020 United States Senate election in New Hampshire (retrieved October 23, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.
Results
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Jeanne Shaheen | Democratic Party | 450,778 | 56.63% |
| Bryant "Corky" Messner | Republican Party | 326,229 | 40.99% |
As listed on Wikipedia; official results come from the state election office.
TerraCivic shows public filings without scores, grades or judgments about any candidate.
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