Primary
Primary election: Tuesday, September 8, 2026
Full calendar and every race: New Hampshire primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 90 days.
Candidates
General Election Polling Average
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more — subscribe for the full history. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| Peak Insights (R) partisan·R | 2026-06-27 | 500 LV | ±4.00 | Chris Pappas 43.00% | John E. Sununu 42.00% |
| Saint Anselm College | 2026-06-25 | 1614 RV | ±2.40 | Chris Pappas 48.00% | Scott Brown 36.00% |
| University of New Hampshire | 2026-06-23 | 2232 LV | ±2.10 | Chris Pappas 52.00% | Scott Brown 38.00% |
Questions About This Race
Who is winning the 2026 New Hampshire Senate race?
Chris Pappas leads John E. Sununu 48.8% to 38.5% in the PollingSource polling average — a D+10.3 margin based on 4 polls from the last 90 days.
Is the 2026 New Hampshire Senate race competitive?
No — the PollingSource polling average rates it Safe D for Democrats.
What does the latest poll of the 2026 New Hampshire Senate race say?
The most recent public poll, from Peak Insights (R) (completed June 27, 2026), found Chris Pappas (D) at 43% and John E. Sununu (R) at 42%.
When is the 2026 New Hampshire Senate race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 90 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
Shaheen retiring after 3 terms
Independent Expenditures Updated 4 hours ago
Top Spenders
- AMERICANS FOR PROSPERITY ACTION, INC. (AFP ACTION) DBA CVA ACTION AND DBA LIBRE ACTION $2,862,585
- STRONG AS GRANITE PAC $130,636
- SLF PAC $11,166
- CITIZENS AGAINST AIPAC CORRUPTION $5,665
- DMFI PAC $938
- GIVEGREEN UNITED ACTION $251
Full outside-spending research — every committee, every race →