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Who’s ahead in Iowa?

Updating average for each candidate in 2024 presidential polls, accounting for each poll's recency, sample size, methodology and house effects.

KEY

ESTIMATE

95% OF AVERAGES PROJECTED TO FALL IN THIS RANGE

Polling averages are adjusted based on state and national polls, which means candidates’ averages can shift even if no new polls have been added to this page. Read the full methodology here.

On Sept. 13, 2024, we fixed a bug in this polling average that arose after Robert F. Kennedy Jr. dropped out of the race on Aug. 23, 2024. See here for more details and an archived version of the previous average.

DatesSamplei

SAMPLE TYPES

A

ADULTS

V

VOTERS

LV

LIKELY VOTERS

RV

REGISTERED VOTERS

PollsterResultNet result
Datesi

SAMPLE TYPES

A

ADULTS

V

VOTERS

LV

LIKELY VOTERS

RV

REGISTERED VOTERS

PollsterResult

President: general election, Iowa, 2024

Sept. 27-28
600LV
Sept. 27-28
600LV
Harris
45%
Harris
45%

Harris

45%

Trump

51%
51%
Trump  Trump+7
Sept. 8-11
656LV
Sept. 8-11
656LV
Harris
43%
Harris
43%

Harris

43%

Trump

47%

Kennedy

6%

Oliver

1%
47%
TrumpTrump+4
July 8-9
600LV
July 8-9
600LV
Biden
39%
Biden
39%

Biden

39%

Trump

51%
51%
Trump  Trump+12
June 9-14
632LV
June 9-14
632LV
Biden
32%
Biden
32%

Biden

32%

Trump

50%

Kennedy

9%

Oliver

2%
50%
TrumpTrump+18
April 13-21
405LV
April 13-21
405LV
Kennedy
45%
Kennedy
45%

Kennedy

45%

Trump

39%
39%
Trump  Kennedy+6
April 13-21
405LV
April 13-21
405LV
Biden
39%
Biden
39%

Biden

39%

Kennedy

50%
50%
Kennedy  Kennedy+11
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Candidate is an incumbent

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Democratic-funded

Republican-funded

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Campaign poll

The position of the flag indicates whether the organization is partisan. Organizations are considered partisan if they operate on behalf of a candidate, party, campaign committee, PAC, super PAC, hybrid PAC, 501(c)(4), 501(c)(5) or 501(c)(6) organization that conducts a large majority of its political activity on behalf of one political party.

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