UPDATED Dec. 20, 2021, at 9:50 AM

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Who’s ahead in Iowa?

Updating average for each Democratic candidate in 2020 primary polls, accounting for each poll’s quality, sample size and recency

Our average includes all candidates that FiveThirtyEight considers “major.” Candidates with insufficient polling data are not displayed in the averages. State polling averages are adjusted based on national trends, which means candidates’ averages can shift even in the absence of fresh state polls. Read more about the methodology.

 

DatesPollsterSampleResultNet result
U.S. Senate
U.S. Senate
Iowa Iowa
Dec 2-13, 2021
770 LV
Dec 2-13, 2021
770LVFinkenauer
39%

Finkenauer

39%

Grassley

53%
53%
GrassleyGrassley+14

Key

A = ADULTS

RV = REGISTERED VOTERS

V = VOTERS

LV = LIKELY VOTERS

Nov. 12, 2021

President: general election
President: general election Iowa
Iowa
Nov 7-10, 2021
658 LV
Nov 7-10, 2021
658LVBiden
40%

Biden

40%

Trump Sr.

51%
51%
Trump Sr.Trump Sr.+11

Oct. 24, 2021

President: general election
President: general election Iowa
Iowa
Oct 18-19, 2021
600 LV
Oct 18-19, 2021
600LVBiden
41%

Biden

41%

Trump Sr.

54%
54%
Trump Sr.Trump Sr.+14
U.S. Senate
U.S. Senate
Iowa Iowa
Oct 18-19, 2021
600 LV
Oct 18-19, 2021
600LVFinkenauer
39%

Finkenauer

39%

Grassley

55%
55%
GrassleyGrassley+17

Sept. 20, 2021

U.S. Senate
U.S. Senate
Iowa Iowa
Sep 12-15, 2021
620 LV
Sep 12-15, 2021
620LVFinkenauer
37%

Finkenauer

37%

Grassley

55%
55%
GrassleyGrassley+18

Sept. 15, 2021

U.S. House
U.S. House
IA-3 IA-3
Sep 9, 2021
1,000 LV
Sep 9, 2021
1,000LVAxne
46%

Axne

46%

Nunn

42%
42%
NunnAxne+4
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