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Toss-up · 2008 Senate
Colorado Senate
In the 2008 Colorado Senate race, Mark Udall (D) won by about 10 points.
Actual result
D+10.3
Final polls said
D+10.9
10 late polls · ✓
VotePredictor Elections predicted
—
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 | Big Village | D+10.0 | 0.3 | ✓ |
| 2 | Suffolk University | D+11.0 | 0.7 | ✓ |
| 3 | Harstad Strategic Research | D+11.0 | 0.7 | ✓ |
| 4 | GfK Group | D+12.0 | 1.7 | ✓ |
| 5 | Garin-Hart-Yang Research Group | D+12.0 | 1.7 | ✓ |
| 6 | Public Opinion Strategies | D+13.0 | 2.7 | ✓ |
| 7 | Behavior Research Center (Rocky Mountain Poll) | D+13.0 | 2.7 | ✓ |
| 8 | Scott Rasmussen (Rasmussen Reports) | D+7.0 | 3.3 | ✓ |
| 9 | Ciruli Associates | D+7.0 | 3.3 | ✓ |
| 10 | Quinnipiac University | D+14.0 | 3.7 | ✓ |
| 11 | Public Policy Polling | D+15.0 | 4.7 | ✓ |
| 12 | YouGov | D+15.0 | 4.7 | ✓ |
| 13 | FTI Consulting | D+15.0 | 4.7 | ✓ |
| 14 | Hill Research Consultants | D+5.0 | 5.3 | ✓ |
| 15 | Mason-Dixon Polling & Strategy | D+4.0 | 6.3 | ✓ |
The polls behind it
22 polls · newest firstPollsterDateSampleMiss
Public Policy Polling2008-10-295
Mason-Dixon Polling & Strategy2008-10-286
YouGov2008-10-255
Big Village2008-10-250
FTI Consulting2008-10-255
Frequently asked questions
Who won the 2008 Colorado Senate race?
Mark Udall (D) won, by about 10.3 points (D+10.3).
When was the 2008 Colorado Senate election held?
It was held in November 2008.
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.