Organization: CNN/Edison Research Center
Conducted: February 3, 2020
Exact wording: A government plan for all instead of private insurance.
Sample Size: 1,644 Democratic primary voters,
Overall Findings: 57% support, 38% oppose
Party Lines: n/a
Link to the poll: https://www.cnn.com/election/2020/primaries-caucuses/entrance-and-exit-polls/iowa/democratic