The missing percentage points to 100 percent are divided among respondents who were uncommitted at that point, unsure, had no opinion, or refused to answer the question.
Citation formats
Latest Iowa primary polls: Republican caucus, January 29, 2016
This statistic shows the latest polls on the Republican caucus that is to be held in Iowa on *. As of January 29. 2016, Donald Trump lead the polls with about **** percent of voter support, followed by Ted Cruz with an average of **** percent.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆÆ½â°æ can support your business.
RealClearPolitics. (January 29, 2016). 2016 U.S. Presidential elections: latest polls for the upcoming Republican caucus in Iowa, as of January 29, 2016 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 31, 2026, from /statistics/506954/iowa-primary-latest-polls-republican-caucus-2016/
RealClearPolitics. "2016 U.S. Presidential elections: latest polls for the upcoming Republican caucus in Iowa, as of January 29, 2016." Chart. January 29, 2016. ÌÇÐÄÆÆ½â°æ. Accessed July 31, 2026. /statistics/506954/iowa-primary-latest-polls-republican-caucus-2016/
RealClearPolitics. (2016). 2016 U.S. Presidential elections: latest polls for the upcoming Republican caucus in Iowa, as of January 29, 2016. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 31, 2026. /statistics/506954/iowa-primary-latest-polls-republican-caucus-2016/
RealClearPolitics. "2016 U.S. Presidential Elections: Latest Polls for The Upcoming Republican Caucus in Iowa, as of January 29, 2016." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 29 Jan 2016, /statistics/506954/iowa-primary-latest-polls-republican-caucus-2016/
RealClearPolitics, 2016 U.S. Presidential elections: latest polls for the upcoming Republican caucus in Iowa, as of January 29, 2016 ÌÇÐÄÆÆ½â°æ, /statistics/506954/iowa-primary-latest-polls-republican-caucus-2016/ (last visited July 31, 2026)
2016 U.S. Presidential elections: latest polls for the upcoming Republican caucus in Iowa, as of January 29, 2016 [Graph], RealClearPolitics, January 29, 2016. [Online]. Available: /statistics/506954/iowa-primary-latest-polls-republican-caucus-2016/