In the most recent Massachusetts Senate race poll (University of New Hampshire, Oct 27 - 31, 2026, n=877 LV), Markey (D) leads with 53%, followed by Deaton (R) at 32%, Tache (PSL) at 7% and Ayyadurai (I) at 4%.
Data is synced continuously from the New York Times, which aggregates surveys from major pollsters. The table shows individual pollster results. The map uses the same 2026 non-partisan polling average and candidate-selection method as the homepage maps.
At a glance
- Polls tracked
- 26
- Pollsters
- 11
- Field dates
- Nov 1, 2024 – Oct 31, 2026
- Stages
- General election (17), Primary (9)
- Most recent poll
- Oct 31, 2026
All polls
| Pollster | Partisan | Field dates | Stage | Sample | Results | Margin | Source |
|---|---|---|---|---|---|---|---|
| University of New Hampshire | Oct 27 - 31, 2026 | General election | n=877 LV | Markey (D): 53% Deaton (R): 32% Tache (PSL): 7% | D+21% | link | |
| UMass Lowell | Oct 7 - 18, 2026 | General election | n=850 LV | Markey (D): 55% Deaton (R): 26% Don't know: 12% | D+29% | link | |
| Suffolk University | Oct 14 - 18, 2026 | General election | n=500 LV | Markey (D): 60% Deaton (R): 31.8% Don't know: 6% | D+28.2% | link | |
| YouGov | Oct 5 - 12, 2026 | General election | n=800 RV | Markey (D): 56% Deaton (R): 29% Ayyadurai (I): 6% | D+27% | link | |
| MassINC Polling Group | Sep 14 - 22, 2026 | General election | n=800 LV | Markey (D): 54% Deaton (R): 28% Don't know: 11% | D+26% | link | |
| University of New Hampshire | Sep 17 - 21, 2026 | General election | n=556 LV | Markey (D): 53% Deaton (R): 30% Tache (PSL): 9% | D+23% | link | |
| Emerson College | Aug 28 - 29, 2026 | Primary | n=550 LV | Markey (D): 65.27% Moulton (D): 34.73% | +30.5% | link | |
| University of New Hampshire | Aug 20 - 24, 2026 | General election | n=906 LV | Markey (D): 49% Deaton (R): 30% Don't know: 12% | D+19% | link | |
| Public Policy Polling | Dem | Aug 17 - 18, 2026 | Primary | n=645 LV | Markey (D): 59% Moulton (D): 26% Don't know: 15% | +33% | link |
| Suffolk University | Aug 13 - 16, 2026 | Primary | n=500 LV | Markey (D): 52.2% Moulton (D): 37.6% Don't know: 10.2% | +14.6% | link | |
| YouGov | Aug 5 - 12, 2026 | General election | n=800 RV | Moulton (D): 49% Deaton (R): 25% Don't know: 22% | D+24% | link | |
| University of New Hampshire | Jun 18 - 23, 2026 | General election | n=600 LV | Moulton (D): 50% Deaton (R): 30% Don't know: 19% | D+20% | link | |
| Suffolk University | Jun 8 - 12, 2026 | General election | n=500 RV | Moulton (D): 53.8% Deaton (R): 26.2% Don't know: 20% | D+27.6% | link | |
| Emerson College | May 3 - 4, 2026 | Primary | n=451 LV | Markey (D): 37% Moulton (D): 32.3% Don't know: 28.9% | +4.7% | link | |
| University of New Hampshire | Apr 16 - 20, 2026 | General election | n=600 LV | Moulton (D): 56% Deaton (R): 25% Don't know: 18% | D+31% | link | |
| Suffolk University | Apr 9 - 13, 2026 | Primary | n=500 LV | Markey (D): 47% Moulton (D): 30.4% Don't know: 21.8% | +16.6% | link | |
| University of New Hampshire | Feb 12 - 16, 2026 | General election | n=611 LV | Moulton (D): 59% Deaton (R): 23% Don't know: 16% | D+36% | link | |
| Cygnal Political | Rep | Jan 22 - 25, 2026 | General election | n=800 LV | Markey (D): 54% Deaton (R): 30% | D+24% | link |
| Suffolk University | Nov 19 - 23, 2025 | General election | n=500 RV | Moulton (D): 52% Deaton (R): 29% Don't know: 20% | D+23% | link | |
| University of New Hampshire | Nov 13 - 17, 2025 | Primary | n=341 LV | Don't know: 35% Markey (D): 34% Moulton (D): 25% | +9% | link | |
| YouGov | Oct 21 - 29, 2025 | Primary | n=416 LV | Moulton (D): 29% Pressley (D): 24% Wu (D): 19% | +5% | link | |
| Data for Progress | Oct 23 - 26, 2025 | Primary | n=652 LV | Markey (D): 53% Moulton (D): 34% Don't know: 13% | +19% | link | |
| Advantage Inc. | Sep 24 - 25, 2025 | Primary | n=278 LV | Pressley (D): 37.41% Markey (D): 34.89% Don't know: 27.7% | +2.5% | link | |
| SurveyUSA | Feb 28 - Mar 4, 2025 | General election | n=775 RV | Markey (D): 45% Don't know: 30% Deaton (R): 26% | D+19% | link | |
| YouGov | Feb 14 - 20, 2025 | General election | n=700 A | Markey (D): 35% Don't know: 33% Baker (R): 33% | D+2% | link | |
| MassINC Polling Group | Oct 29 - Nov 1, 2024 | General election | n=582 LV | Baker (R): 40% Markey (D): 34% Don't know: 20% | R+6% | link |
26 of 26 polls shown, most recent first. Every number is a single pollster's reported result — no polling average is calculated here. Partisan shows the source’s party flag; a blank means no partisan affiliation is marked.