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: Colby College Remove ×
Matching polls
4Senate polls by Colby College.
Polls per month
2
Sep 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 21–25, 2020 | 2020 United States Senate election in Maine (2020)Not averaged | C− Colby College | — | 879 | LV | — | Gideon 49 · Collins 44 | D+5 | — | — | Release |
| Oct 21–25, 2020 | 2020 United States Senate election in Maine (2020) | C− Colby College | — | 879 | LV | — | Gideon 47 · Collins 43 | D+4 | — | — | Release |
| Sep 17–23, 2020 | 2020 United States Senate election in Maine (2020)Not averaged | C− Colby College | — | 847 | LV | — | Gideon 47 · Collins 43 | D+4 | — | — | Release |
| Sep 17–23, 2020 | 2020 United States Senate election in Maine (2020) | C− Colby College | — | 847 | LV | — | Gideon 45 · Collins 41 | D+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)