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Toss-up · 2010 House
California House
In the 2010 California House race, Jim Costa (D) won by about 3 points.
Actual result
D+3.4
Final polls said
R+2.0
2 late polls · ✗
VotePredictor Elections predicted
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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 | Normington, Petts & Associates | D+6.0 | 2.6 | ✓ |
| 2 | SurveyUSA | R+10.0 | 13.4 | ✗ |
| 3 | ccAdvertising | R+23.3 | 26.7 | ✗ |
The polls behind it
4 polls · newest firstPollsterDateSampleMiss
SurveyUSA2010-10-2313
Normington, Petts & Associates2010-10-233
ccAdvertising2010-09-2927
SurveyUSA2010-09-111
Frequently asked questions
Who won the 2010 California House race?
Jim Costa (D) won, by about 3.4 points (D+3.4).
When was the 2010 California House election held?
It was held in November 2010.