Iowa 2020 Presidential Election Polls

Biden vs. Trump

Source Date Sample Biden Trump Other
Poll Averages* 46.2% 47.8% -
Public Policy 11/02/2020 871 LV 49% 48% 3%
Civiqs 11/01/2020 853 LV ±3.7% 49% 48% 3%
InsiderAdvantage 11/01/2020 400 LV ±4.9% 46% 48% 6%
Emerson College 11/01/2020 604 LV ±3.9% 46% 47% 7%
Selzer & Company 10/31/2020 814 LV ±3.4% 41% 48% 11%
Quinnipiac 10/29/2020 1,225 LV ±2.8% 46% 47% 7%
RABA Research 10/27/2020 693 LV ±4% 50% 46% 4%
RMG Research 10/22/2020 800 LV ±3.5% 47% 47% 6%
Emerson College 10/21/2020 435 LV ±5.7% 46% 48% 6%
NY Times / Siena College 10/21/2020 753 LV ±3.9% 46% 43% 11%
Show:

Including Third Parties

Calculated averages are not comparable to those for the Biden vs. Trump polls. As polling with third parties has been very limited, the polls included in the average are often different.

Source Date Sample Biden Trump Jorgensen Hawkins Other
Poll Averages* 46.3% 46.3% 1.3% 0.5% -
InsiderAdvantage 11/01/2020 400 LV ±4.9% 46% 48% 1% - 5%
Monmouth University 10/21/2020 501 RV ±4.4% 47% 48% 1% 0% 4%
NY Times / Siena College 10/21/2020 753 LV ±3.9% 46% 43% 2% 1% 8%
InsiderAdvantage 10/20/2020 400 LV ±4.9% 45% 45% 2% - 8%
Monmouth University 9/24/2020 402 RV ±4.9% 44% 50% 2% 0% 4%
NY Times / Siena College 9/24/2020 501 LV ±5% 45% 42% 2% 0% 11%

* The average includes the most recent poll from each source within the past 30 days, up to a maximum of five. If five polls are found, and there are other qualifying polls on that same calendar date, those will also be included.

When did it last happen?

This feature shows the most recent election where the state voted with or against the presidential winner in each party. Click the year to see the corresponding electoral map and results.
Iowa Winner
Trump
Trump
Obama
Gore
Election Winner
Biden
Trump
Obama
Bush
2020
2016
2012
2000