Polls database
Every poll we use, with its source
11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.
Pollster: Mellman Group Remove ×
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11Polls by Mellman Group.
Polls per month
2
Mar 2018Jan 2019Jan 2020Jan 2021Jan 2022Jan 2023Jan 2024Jan 2025Jan 2026
Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 6–12, 2026 | CA 2026: Wealth tax | C Mellman Group | Kensington Avenue Strategies | 800 | LV | — | Yes 48 · No 38 | Yes +10 | — | — | Release |
| Oct 3–6, 2022 | 2022 California's 27th congressional district election (2022) | C Mellman Group | Smith's campaign | 400 | LV | — | Smith 47 · Garcia 41 | D+6 | — | — | Release |
| Oct 1–4, 2022 | 2022 Rhode Island's 2nd congressional district election (2022) | C Mellman Group | Magaziner's campaign | 400 | LV | — | Magaziner 40 · Fung 43 | R+3 | — | — | Release |
| Aug 25–30, 2022 | 2022 California's 27th congressional district election (2022) | C Mellman Group | Smith's campaign | 600 | LV | — | Smith 44 · Garcia 42 | D+2 | — | — | Release |
| Sep 15–22, 2021 | 2022 United States Senate election in Nevada (2022) | C Mellman Group | — | 600 | LV | — | Masto 46 · Laxalt 41 | D+5 | — | — | Release |
| Oct 7–10, 2018 | 2018 Utah's 4th congressional district election (2018) | C Mellman Group | — | 400 | V | — | McAdams 47 · Love 46 | D+1 | — | — | Release |
| Oct 3–6, 2018 | 2018 Ohio's 7th congressional district election (2018) | C Mellman Group | — | 400 | V | — | Harbaugh 38 · Gibbs 45 | R+7 | — | — | Release |
| Aug 20–23, 2018 | 2018 Utah's 4th congressional district election (2018) | C Mellman Group | — | 400 | V | — | McAdams 44 · Love 46 | R+2 | — | — | Release |
| Aug 1–7, 2018 | 2018 United States Senate special election in Mississippi (2018) | C Mellman Group | — | 600 | V | — | Espy 27 · Hyde-Smith 29 | R+2 | — | — | Release |
| Apr 12–19, 2018 | 2018 Nevada gubernatorial election (2018) | C Mellman Group | — | 600 | V | — | Sisolak 43 · Laxalt 37 | D+6 | — | — | Release |
| Feb 27–Mar 4, 2018 | 2018 Utah's 4th congressional district election (2018) | C Mellman Group | — | 400 | V | — | McAdams 40 · Love 43 | R+3 | — | — | Release |
Showing 1–11 of 11
Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)