Organization: CNN/Edison Research Center
Conducted: March 3, 2020
Exact wording: A government plan for all instead of private insurance.
Sample Size: 1,231 Democratic primary voters,
Overall Findings: 55% support, 36% oppose
Party Lines: n/a
Link to the poll: https://www.cnn.com/election/2020/primaries-caucuses/entrance-and-exit-polls/california/democratic