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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23Senate polls by Mainstreet Research/FAU.
Polls per month
10
Mar 2024Nov 2024
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 25–Nov 2, 2024 | 2024 United States Senate election in Wisconsin (2024)Not averaged | C+ Mainstreet Research/FAU | — | 798 | RV | — | Baldwin 47 · Hovde 45 | D+2 | — | — | Release |
| Oct 25–Nov 2, 2024 | 2024 United States Senate election in Wisconsin (2024) | C+ Mainstreet Research/FAU | — | 786 | LV | — | Baldwin 47 · Hovde 45 | D+2 | — | — | Release |
| Oct 25–Nov 2, 2024 | 2024 United States Senate election in Pennsylvania (2024)Not averaged | C+ Mainstreet Research/FAU | — | 726 | RV | — | Jr. 48 · McCormick 43 | D+5 | — | — | Release |
| Oct 25–Nov 2, 2024 | 2024 United States Senate election in Pennsylvania (2024) | C+ Mainstreet Research/FAU | — | 699 | LV | — | Jr. 49 · McCormick 44 | D+5 | — | — | Release |
| Oct 25–Nov 2, 2024 | 2024 United States Senate election in Michigan (2024)Not averaged | C+ Mainstreet Research/FAU | — | 733 | RV | — | Slotkin 47 · Rogers 42 | D+5 | — | — | Release |
| Oct 25–Nov 2, 2024 | 2024 United States Senate election in Michigan (2024) | C+ Mainstreet Research/FAU | — | 713 | LV | — | Slotkin 47 · Rogers 43 | D+4 | — | — | Release |
| Oct 2–6, 2024 | 2024 United States Senate election in Texas (2024) | C+ Mainstreet Research/FAU | — | 775 | LV | — | Allred 44 · Cruz 47 | R+3 | — | — | Release |
| Oct 2–6, 2024 | 2024 United States Senate election in Texas (2024)Not averaged | C+ Mainstreet Research/FAU | — | 811 | RV | — | Allred 43 · Cruz 46 | R+3 | — | — | Release |
| Jul 14–15, 2024 | 2024 United States Senate election in Virginia (2024) | C+ Mainstreet Research/FAU | — | 265 | LV | — | Kaine 44 · Cao 34 | D+10 | — | — | Release |
| Jul 14–15, 2024 | 2024 United States Senate election in Virginia (2024)Not averaged | C+ Mainstreet Research/FAU | — | 301 | A | — | Kaine 42 · Cao 33 | D+9 | — | — | Release |
| Jul 12–13, 2024 | 2024 United States Senate election in Virginia (2024) | C+ Mainstreet Research/FAU | — | 544 | LV | — | Kaine 47 · Cao 34 | D+13 | — | — | Release |
| Jul 12–13, 2024 | 2024 United States Senate election in Virginia (2024)Not averaged | C+ Mainstreet Research/FAU | — | 617 | A | — | Kaine 45 · Cao 32 | D+13 | — | — | Release |
| May 30–31, 2024 | 2024 United States Senate election in Wisconsin (2024) | C+ Mainstreet Research/FAU | — | 290 | LV | — | Baldwin 47 · Hovde 39 | D+8 | — | — | Release |
| May 30–31, 2024 | 2024 United States Senate election in Wisconsin (2024)Not averaged | C+ Mainstreet Research/FAU | — | 338 | RV | — | Baldwin 43 · Hovde 38 | D+5 | — | — | Release |
| May 30–31, 2024 | 2024 United States Senate election in Pennsylvania (2024) | C+ Mainstreet Research/FAU | — | 923 | LV | — | Jr. 49 · McCormick 42 | D+7 | — | — | Release |
| May 30–31, 2024 | 2024 United States Senate election in Pennsylvania (2024)Not averaged | C+ Mainstreet Research/FAU | — | 1,012 | RV | — | Jr. 48 · McCormick 40 | D+8 | — | — | Release |
| May 30–31, 2024 | 2024 United States Senate election in Michigan (2024) | C+ Mainstreet Research/FAU | — | 636 | LV | — | Slotkin 43 · Rogers 42 | D+1 | — | — | Release |
| May 30–31, 2024 | 2024 United States Senate election in Michigan (2024)Not averaged | C+ Mainstreet Research/FAU | — | 723 | RV | — | Slotkin 41 · Rogers 41 | Even | — | — | Release |
| May 19–21, 2024 | 2024 United States Senate election in Nevada (2024) | C+ Mainstreet Research/FAU | — | 494 | LV | — | Rosen 48 · Brown 37 | D+11 | — | — | Release |
| May 19–21, 2024 | 2024 United States Senate election in Nevada (2024)Not averaged | C+ Mainstreet Research/FAU | — | 522 | RV | — | Rosen 48 · Brown 35 | D+13 | — | — | Release |
| May 19–21, 2024 | 2024 United States Senate election in Arizona (2024) | C+ Mainstreet Research/FAU | — | 501 | LV | — | Gallego 48 · Lake 39 | D+9 | — | — | Release |
| May 19–21, 2024 | 2024 United States Senate election in Arizona (2024)Not averaged | C+ Mainstreet Research/FAU | — | 609 | RV | — | Gallego 44 · Lake 38 | D+6 | — | — | Release |
| Mar 13–15, 2024 | 2024 United States Senate election in Ohio (2024) | C+ Mainstreet Research/FAU | — | 818 | RV | — | Brown 47 · Moreno 36 | D+11 | — | — | Release |
Showing 1–23 of 23
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)