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.
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25Senate polls by OH Predictive Insights.
Polls per month
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 24–27, 2022 | 2022 United States Senate election in Nevada (2022) | B OH Predictive Insights | — | 600 | LV | — | Masto 43 · Laxalt 41 | D+2 | — | — | Release |
| Oct 24–26, 2022 | 2022 United States Senate election in Arizona (2022) | B OH Predictive Insights | — | 600 | LV | — | Kelly 48 · Masters 46 | D+2 | — | — | Release |
| Oct 4–6, 2022 | 2022 United States Senate election in Arizona (2022) | B OH Predictive Insights | — | 674 | LV | — | Kelly 46 · Masters 33 | D+13 | — | — | Release |
| Sep 20–29, 2022 | 2022 United States Senate election in Nevada (2022) | B OH Predictive Insights | — | 741 | LV | — | Masto 43 · Laxalt 45 | R+2 | — | — | Release |
| Sep 6–9, 2022 | 2022 United States Senate election in Arizona (2022) | B OH Predictive Insights | — | 654 | LV | — | Kelly 47 · Masters 35 | D+12 | — | — | Release |
| Apr 1–9, 2022 | 2022 United States Senate election in Nevada (2022) | B OH Predictive Insights | — | 748 | RV | — | Masto 43 · Laxalt 35 | D+8 | — | — | Release |
| Jan 19–26, 2022 | 2022 United States Senate election in Nevada (2022) | B OH Predictive Insights | — | 755 | RV | — | Masto 44 · Laxalt 35 | D+9 | — | — | Release |
| Sep 7–12, 2021 | 2022 United States Senate election in Arizona (2022) | B OH Predictive Insights | — | 882 | RV | — | Kelly 44 · Masters 35 | D+9 | — | — | Release |
| Oct 22–25, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 716 | LV | — | Kelly 50 · McSally 45 | D+5 | — | — | Release |
| Oct 4–8, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 608 | LV | — | Kelly 50 · McSally 45 | D+5 | — | — | Release |
| Sep 8–10, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 52 · McSally 42 | D+10 | — | — | Release |
| Aug 3–4, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 603 | LV | — | Kelly 48 · McSally 43 | D+5 | — | — | Release |
| Jul 6–7, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 52 · McSally 43 | D+9 | — | — | Release |
| May 9–11, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 51 · McSally 38 | D+13 | — | — | Release |
| Apr 7–8, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 51 · McSally 42 | D+9 | — | — | Release |
| Mar 3–4, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 49 · McSally 42 | D+7 | — | — | Release |
| Dec 3–4, 2019 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 628 | LV | — | Kelly 47 · McSally 44 | D+3 | — | — | Release |
| Aug 13–14, 2019 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 46 · McSally 41 | D+5 | — | — | Release |
| Nov 2–3, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 631 | V | — | Sinema 48 · McSally 49 | R+1 | — | — | Release |
| Oct 22–23, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 45 · McSally 52 | R+7 | — | — | Release |
| Oct 1–2, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 41 · McSally 47 | R+6 | — | — | Release |
| Sep 5–6, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 597 | V | — | Sinema 46 · McSally 49 | R+3 | — | — | Release |
| Jul 23–24, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 48 · McSally 44 | D+4 | — | — | Release |
| Apr 10–11, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 48 · McSally 42 | D+6 | — | — | Release |
| Nov 9, 2017 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 46 · McSally 45 | D+1 | — | — | Release |
Showing 1–25 of 25
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)