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Toss-up · 2018 Senate
Delaware Senate
In the 2018 Delaware Senate race, Thomas R. Carper (D) won by about 22 points.
Actual result
D+22.1
Final polls said
D+37.0
1 late poll · ✓
VotePredictor Elections predicted
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Winner
Dem
"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. VotePredictor Elections' prediction is walk-forward (trained only on earlier races).
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 | University of Delaware Center for Political Communication | D+37.0 | 14.9 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | Cook Political | Dem 99% | 0.000 | ✓ |
| 2 | DDHQ/Decision Desk | Dem 100% | 0.000 | ✓ |
| 3 | FiveThirtyEight | Dem 100% | 0.000 | ✓ |
| 4 | JHK Forecasts | Dem 100% | 0.000 | ✓ |
| 5 | Sabato's Crystal Ball | Dem 99% | 0.000 | ✓ |
| 6 | Inside Elections | Dem 99% | 0.000 | ✓ |
| 7 | VotePredictor Elections | Dem 100% | 0.000 | ✓ |
The polls behind it
1 poll · newest firstPollsterDateSampleMiss
University of Delaware Center for Political Communication2018-09-1415
Frequently asked questions
Who won the 2018 Delaware Senate race?
Thomas R. Carper (D) won, by about 22.1 points (D+22.1).
When was the 2018 Delaware Senate election held?
It was held in November 2018.
Which party matches you?
These candidates split on taxes, health care, guns, and abortion. See where you land — and which members of Congress actually vote like you.