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Source: Marquette Law School (url)

CandidatePolitical PartyPollGraphPoll Details
Poll Date: 2020-03-29
Number Polled: 394
Margin of Error: 6%
Voter Type: Likely

Biden +28

 By: Lief (D-NY) on 2020-04-02 @ 20:47:37

If the Democratic primary for president were being held today, and the candidates were: [INSERT CANDIDATES], for whom would you vote?

About this Poll
The Marquette Law School Poll is the most extensive statewide polling project in Wisconsin history. This poll interviewed 813 registered Wisconsin voters by landline or cell phone, March 24-29, 2020. The margin of error is +/-4.2 percentage points for the full sample.

The Democratic presidential candidate preference items were asked of those who said they would vote in the Democratic primary. That sample size is 394, with a margin of error of +/-5.9 percentage points. The margin of error for those Democratic primary voters who say they are absolutely certain to vote or have already voted is +/-6.6 percentage points based on 315 cases.

The partisan makeup of the sample, including those who lean to a party, is 46 percent Republican, 46 percent Democratic and 7 percent independent. The partisan makeup of the sample, excluding those who lean to a party, is 29 percent Republican, 31 percent Democratic and 39 percent independent.

Since January 2017, the long-term partisan balance, including those who lean to a party, in the Marquette Law School Poll has been 45 percent Republican and 45 percent Democratic, with 9 percent independent. Partisanship excluding those who lean has been 30 percent Republican and 29 percent Democratic, with 40 percent independent.

The entire questionnaire, methodology statement, full results and breakdowns by demographic groups are available at

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