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Toss-up · 2024 Senate
Wisconsin Senate
In the 2024 Wisconsin Senate race, Tammy Baldwin (D) won by less than a point.
Actual result
D+0.8
Final polls said
D+1.3
27 late polls · ✓
VotePredictor Elections predicted
—
Winner
Dem
"Final polls" = the last ~3 weeks; the prediction is walk-forward. How this is scored →
Final rankings
How everyone who called this race did, ranked — VotePredictor Elections shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | AtlasIntel | D+0.9 | 0.1 | ✓ |
| 2 | Research Co. | D+1.0 | 0.2 | ✓ |
| 3 | OnMessage Inc. | D+1.0 | 0.2 | ✓ |
| 4 | Echelon Insights | D+1.0 | 0.2 | ✓ |
| 5 | Quinnipiac University | D+1.0 | 0.2 | ✓ |
| 6 | Redfield & Wilton Strategies | D+1.0 | 0.2 | ✓ |
| 7 | Suffolk University | D+1.4 | 0.5 | ✓ |
| 8 | Rasmussen Reports | EVEN | 0.8 | ✗ |
| 9 | Patriot Polling | D+1.9 | 1.0 | ✓ |
| 10 | Florida Atlantic University/Mainstreet Research | D+2.0 | 1.1 | ✓ |
| 11 | TIPP Insights | D+2.0 | 1.1 | ✓ |
| 12 | Morning Consult | D+2.0 | 1.1 | ✓ |
| 13 | SSRS | D+2.0 | 1.1 | ✓ |
| 14 | Marquette University Law School | D+2.0 | 1.1 | ✓ |
| 15 | Trafalgar Group | R+0.5 | 1.4 | ✗ |
| 16 | InsiderAdvantage | R+0.5 | 1.4 | ✗ |
| 17 | Marist College | D+3.0 | 2.1 | ✓ |
| 18 | The New York Times/Siena College | D+4.0 | 3.1 | ✓ |
| 19 | YouGov | D+5.0 | 4.2 | ✓ |
| 20 | Emerson College | D+5.1 | 4.3 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | Race to the WH | Dem 80% | 0.040 | ✓ |
| 2 | The Economist | Dem 78% | 0.048 | ✓ |
| 3 | DDHQ/Decision Desk | Dem 76% | 0.058 | ✓ |
| 4 | Sabato's Crystal Ball | Dem 75% | 0.062 | ✓ |
| 5 | CNalysis | Dem 75% | 0.062 | ✓ |
| 6 | JHK Forecasts | Dem 72% | 0.080 | ✓ |
| 7 | FiveThirtyEight | Dem 68% | 0.100 | ✓ |
| 8 | Split Ticket | Dem 64% | 0.130 | ✓ |
| 9 | Inside Elections | Dem 60% | 0.160 | ✓ |
| 10 | Cook Political | Dem 50% | 0.250 | — |
| 11 | VotePredictor Elections | Rep 55% | 0.304 | ✗ |
The polls behind it
27 polls · newest firstPollsterDateSampleMiss
AtlasIntel2024-11-030
Patriot Polling2024-11-021
Trafalgar Group2024-11-021
Research Co.2024-11-020
AtlasIntel2024-11-010
Frequently asked questions
Who won the 2024 Wisconsin Senate race?
Tammy Baldwin (D) won, by about 0.8 points (D+0.8).
When was the 2024 Wisconsin Senate election held?
It was held in November 2024.