Selected randomly from Iowa caucusgoers as they entered precincts
Method of interview
Questionnaire
Supplementary notes
The National Election Pool is a consortium of ABC News, Associated Press, CBS News, CNN, Fox News and NBC News.
Percentage points may not total 100 percent as the sample size for some groups may be too small for estimates within those groups to be projectable with confidence.
The graph shows only candidates that could collect at least one percent of votes across all groups.
Citation formats
Iowa Democratic caucus entry polls: votes by geography 2020
According to entry polls conducted at the 2020 Democratic Party Iowa caucuses, Bernie Sanders was the most popular candidate among both urban and suburban voters, with ** percent of each category intending to vote for him. Pete Buttigieg was the most popular among rural voters with ** percent.
The Iowa caucuses were held on *, and are the first contest in the primaries for the Democratic Party to choose their candidate for the 2020 U.S. presidential election.
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CNN. (February 3, 2020). Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by geography [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1094004/iowa-democratic-caucus-2020-entry-polls-votes-by-geography/
CNN. "Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by geography." Chart. February 3, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1094004/iowa-democratic-caucus-2020-entry-polls-votes-by-geography/
CNN. (2020). Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by geography. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1094004/iowa-democratic-caucus-2020-entry-polls-votes-by-geography/
CNN. "Entry Polls of The 2020 Iowa Democratic Caucus in The United States on February 3, 2020, Share of Votes by Geography." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 3 Feb 2020, /statistics/1094004/iowa-democratic-caucus-2020-entry-polls-votes-by-geography/
CNN, Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by geography ÌÇÐÄÆƽâ°æ, /statistics/1094004/iowa-democratic-caucus-2020-entry-polls-votes-by-geography/ (last visited July 28, 2026)
Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by geography [Graph], CNN, February 3, 2020. [Online]. Available: /statistics/1094004/iowa-democratic-caucus-2020-entry-polls-votes-by-geography/
