Harvard-Harris
22 scored general-election polls (2024) , each measured against the certified result. How to read these numbers: methodology.
Record by cycle
| Cycle | Polls | Avg. Error | Lean | Winner Called |
|---|---|---|---|---|
| 2024 | 22 | 6.9 pts | R+6.8 | 100% |
Every scored poll
| Date | Race | Poll Margin | Actual | Error | Called It |
|---|---|---|---|---|---|
| 2024-12-15 | National President | R+6.0 | R+1.5 | 4.5 | ✓ |
| 2024-12-02 | National President | R+9.0 | R+1.5 | 7.5 | ✓ |
| 2024-11-17 | National President | R+7.0 | R+1.5 | 5.5 | ✓ |
| 2024-11-16 | National President | R+12.0 | R+1.5 | 10.5 | ✓ |
| 2024-10-19 | National President | R+7.0 | R+1.5 | 5.5 | ✓ |
| 2024-10-13 | National President | R+11.0 | R+1.5 | 9.5 | ✓ |
| 2024-09-14 | National President | R+6.0 | R+1.5 | 4.5 | ✓ |
| 2024-09-05 | National President | Even | R+1.5 | 1.5 | — |
| 2024-07-28 | National President | R+7.0 | R+1.5 | 5.5 | ✓ |
| 2024-07-20 | National President | R+9.0 | R+1.5 | 7.5 | ✓ |
| 2024-06-29 | National President | R+6.0 | R+1.5 | 4.5 | ✓ |
| 2024-06-15 | National President | R+7.0 | R+1.5 | 5.5 | ✓ |
| 2024-05-19 | National President | R+7.0 | R+1.5 | 5.5 | ✓ |
| 2024-05-18 | National President | R+11.0 | R+1.5 | 9.5 | ✓ |
| 2024-04-21 | National President | R+6.0 | R+1.5 | 4.5 | ✓ |
| 2024-04-19 | National President | R+10.0 | R+1.5 | 8.5 | ✓ |
| 2024-03-24 | National President | R+11.0 | R+1.5 | 9.5 | ✓ |
| 2024-03-23 | National President | R+10.0 | R+1.5 | 8.5 | ✓ |
| 2024-02-24 | National President | R+12.0 | R+1.5 | 10.5 | ✓ |
| 2024-02-16 | National President | R+10.0 | R+1.5 | 8.5 | ✓ |
| 2024-01-20 | National President | R+10.0 | R+1.5 | 8.5 | ✓ |
| 2024-01-19 | National President | R+8.0 | R+1.5 | 6.5 | ✓ |
Margins shown as party lead (D+/R+); for non-D-vs-R matchups the margin is first-listed candidate minus second. Historical scored-poll data for cycles through 2023 from FiveThirtyEight's pollster-ratings dataset (CC-BY-4.0); 2024 scored by PollingSource. This record never changes what enters the PollingSource average.