2026 polls

The newest poll in each race, as the pollster published it. We do not adjust or rate polls.

Filter · Governor, Iowa

24 polls · Iowa

Showing 1 to 24, newest first.

2026 polls, newest first
Field dates	Race	Pollster	Sample	Results
Oct 28, 2026	Iowa Governor	co/efficient Partisan sponsor: Republican	1,020 Likely voters	50%Rob Sand 45%Zach Lahn
Oct 16 to Oct 23, 2026	Iowa Governor	Echelon Insights	403 Likely voters	50%Rob Sand 46%Zach Lahn
Oct 15 to Oct 19, 2026	Iowa Governor	co/efficient Partisan sponsor: Republican	863 Likely voters	49%Rob Sand 45%Zach Lahn
Oct 8 to Oct 12, 2026	Iowa Governor	National Public Affairs	678 Likely voters	50%Rob Sand 45%Zach Lahn
Oct 6 to Oct 12, 2026	Iowa Governor	YouGov	2,245 Likely voters	50%Rob Sand 44%Zach Lahn
Oct 8 to Oct 11, 2026	Iowa Governor	Marist University	Not stated Likely voters	52%Rob Sand 45%Zach Lahn
Oct 5 to Oct 6, 2026	Iowa Governor	Emerson College	650 Likely voters	49%Rob Sand 45%Zach Lahn
Sep 29 to Oct 5, 2026	Iowa Governor	CNN/SSRS	801 Likely voters	51%Rob Sand 42%Zach Lahn
Sep 22 to Oct 1, 2026	Iowa Governor	The New York Times/Siena University	606 Likely voters	52%Rob Sand 41%Zach Lahn
Sep 24 to Sep 28, 2026	Iowa Governor	Beacon Research/Shaw & Co. Research	1,008 Likely voters	53%Rob Sand 44%Zach Lahn
Sep 17 to Sep 20, 2026	Iowa Governor	Marist University	1,050 Registered voters	54%Rob Sand 42%Zach Lahn
Sep 14 to Sep 16, 2026	Iowa Governor	co/efficient Partisan sponsor: Republican	831 Likely voters	46%Rob Sand 42%Zach Lahn
Sep 3 to Sep 8, 2026	Iowa Governor	YouGov	2,041 Likely voters	51%Rob Sand 41%Zach Lahn
Sep 3 to Sep 8, 2026	Iowa Governor	YouGov	2,167 Registered voters	50%Rob Sand 39%Zach Lahn
Aug 31 to Sep 1, 2026	Iowa Governor	Emerson College	750 Likely voters	49%Rob Sand 46%Zach Lahn
Aug 27 to Aug 29, 2026	Iowa Governor	Wedgewood Polls	600 Likely voters	51%Rob Sand 46%Zach Lahn
Aug 20 to Aug 23, 2026	Iowa Governor	Suffolk University	500 Likely voters	48%Rob Sand 44%Zach Lahn
Aug 2 to Aug 4, 2026	Iowa Governor	Emerson College	712 Likely voters	48%Rob Sand 43%Zach Lahn
Jun 23 to Jun 27, 2026	Iowa Governor	Beacon Research/Shaw & Co. Research	1,003 Registered voters	53%Rob Sand 44%Zach Lahn
Jun 16 to Jun 19, 2026	Iowa Governor	Cygnal Partisan sponsor: Republican	600 Likely voters	48%Rob Sand 43%Zach Lahn
Jun 15 to Jun 17, 2026	Iowa Governor	The New York Times/Siena University	600 Likely voters	48%Rob Sand 47%Zach Lahn
Apr 3 to Apr 9, 2026	Iowa Governor	Echelon Insights	377 Likely voters	51%Rob Sand 39%Zach Lahn
Mar 10 to Mar 16, 2026	Iowa Governor	GBAO Strategies Partisan sponsor: Democratic	1,200 Likely voters	50%Rob Sand 42%Zach Lahn
Oct 9 to Oct 13, 2025	Iowa Governor	Z to A Research Partisan sponsor: Democratic	1,351 Likely voters	45%Rob Sand 43%Zach Lahn

Iowa Governor
- 50%Rob Sand
- 45%Zach Lahn
co/efficient · Oct 28, 2026 · 1,020 likely voters · Partisan sponsor: Republican
Iowa Governor
- 50%Rob Sand
- 46%Zach Lahn
Echelon Insights · Oct 16 to Oct 23, 2026 · 403 likely voters
Iowa Governor
- 49%Rob Sand
- 45%Zach Lahn
co/efficient · Oct 15 to Oct 19, 2026 · 863 likely voters · Partisan sponsor: Republican
Iowa Governor
- 50%Rob Sand
- 45%Zach Lahn
National Public Affairs · Oct 8 to Oct 12, 2026 · 678 likely voters
Iowa Governor
- 50%Rob Sand
- 44%Zach Lahn
YouGov · Oct 6 to Oct 12, 2026 · 2,245 likely voters
Iowa Governor
- 52%Rob Sand
- 45%Zach Lahn
Marist University · Oct 8 to Oct 11, 2026 · sample not stated
Iowa Governor
- 49%Rob Sand
- 45%Zach Lahn
Emerson College · Oct 5 to Oct 6, 2026 · 650 likely voters
Iowa Governor
- 51%Rob Sand
- 42%Zach Lahn
CNN/SSRS · Sep 29 to Oct 5, 2026 · 801 likely voters
Iowa Governor
- 52%Rob Sand
- 41%Zach Lahn
The New York Times/Siena University · Sep 22 to Oct 1, 2026 · 606 likely voters
Iowa Governor
- 53%Rob Sand
- 44%Zach Lahn
Beacon Research/Shaw & Co. Research · Sep 24 to Sep 28, 2026 · 1,008 likely voters
Iowa Governor
- 54%Rob Sand
- 42%Zach Lahn
Marist University · Sep 17 to Sep 20, 2026 · 1,050 registered voters
Iowa Governor
- 46%Rob Sand
- 42%Zach Lahn
co/efficient · Sep 14 to Sep 16, 2026 · 831 likely voters · Partisan sponsor: Republican
Iowa Governor
- 51%Rob Sand
- 41%Zach Lahn
YouGov · Sep 3 to Sep 8, 2026 · 2,041 likely voters
Iowa Governor
- 50%Rob Sand
- 39%Zach Lahn
YouGov · Sep 3 to Sep 8, 2026 · 2,167 registered voters
Iowa Governor
- 49%Rob Sand
- 46%Zach Lahn
Emerson College · Aug 31 to Sep 1, 2026 · 750 likely voters
Iowa Governor
- 51%Rob Sand
- 46%Zach Lahn
Wedgewood Polls · Aug 27 to Aug 29, 2026 · 600 likely voters
Iowa Governor
- 48%Rob Sand
- 44%Zach Lahn
Suffolk University · Aug 20 to Aug 23, 2026 · 500 likely voters
Iowa Governor
- 48%Rob Sand
- 43%Zach Lahn
Emerson College · Aug 2 to Aug 4, 2026 · 712 likely voters
Iowa Governor
- 53%Rob Sand
- 44%Zach Lahn
Beacon Research/Shaw & Co. Research · Jun 23 to Jun 27, 2026 · 1,003 registered voters
Iowa Governor
- 48%Rob Sand
- 43%Zach Lahn
Cygnal · Jun 16 to Jun 19, 2026 · 600 likely voters · Partisan sponsor: Republican
Iowa Governor
- 48%Rob Sand
- 47%Zach Lahn
The New York Times/Siena University · Jun 15 to Jun 17, 2026 · 600 likely voters
Iowa Governor
- 51%Rob Sand
- 39%Zach Lahn
Echelon Insights · Apr 3 to Apr 9, 2026 · 377 likely voters
Iowa Governor
- 50%Rob Sand
- 42%Zach Lahn
GBAO Strategies · Mar 10 to Mar 16, 2026 · 1,200 likely voters · Partisan sponsor: Democratic
Iowa Governor
- 45%Rob Sand
- 43%Zach Lahn
Z to A Research · Oct 9 to Oct 13, 2025 · 1,351 likely voters · Partisan sponsor: Democratic

Source and license

Polling data from VoteHub (https://votehub.com/polls/api/), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Records reformatted by Election Wrld.

“Incumbent” marks a name that exactly matches the current holder of that seat in our officials files. Some polls were fielded in 2025. Last poll added to our copy: October 30, 2026. The polls API returns the same rows as JSON, or as CSV with ?format=csv.