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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4Senate polls by Brilliant Corners Research & Strategies.
Polls per month
1
Mar 2020Oct 2020
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 11–16, 2020 | 2020 United States Senate election in South Carolina (2020) | C Brilliant Corners Research & Strategies | Harrison's campaign | 525 | LV | — | Harrison 47 · Graham 45 | D+2 | — | — | Release |
| Sep 21–24, 2020 | 2020 United States Senate election in South Carolina (2020) | C Brilliant Corners Research & Strategies | Harrison's campaign | 608 | LV | — | Harrison 45 · Graham 43 | D+2 | — | — | Release |
| Jul 13–19, 2020 | 2020 United States Senate election in South Carolina (2020) | C Brilliant Corners Research & Strategies | Harrison's campaign | 800 | LV | — | Harrison 41 · Graham 43 | R+2 | — | — | Release |
| Mar 3–11, 2020 | 2020 United States Senate election in South Carolina (2020) | C Brilliant Corners Research & Strategies | Harrison's campaign | 804 | LV | — | Harrison 43 · Graham 47 | R+4 | — | — | Release |
Showing 1–4 of 4
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)