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2026 Iowa Governor

Margin = Rob Sand − Zach Lahn. 23 polls from 14 pollsters. Consensus as of Oct 14, 2026: D+6.9(95% band D+4.0 to D+9.8).

Polls and consensus

Individual poll (click to open source)Consensus, house effects removed95% band

How each pollster compares in this race

Average distance of each pollster's polls from the consensus of all other polls at the same time. The overall house effect is that pollster's lean across every race we track.

PollsterPolls hereAvg. vs consensus hereOverall house effect
co/efficient2R+3.1R+3.6
Emerson College3R+2.9R+0.1
Cygnal2R+2.6R+0.8
National Public Affairs1R+1.9R+2.5
Wedgewood Polls1R+1.8Even
Z to A Research1R+1.3D+0.6
The New York Times/Siena2R+0.8R+0.2
YouGov2D+1.0D+0.3
Suffolk University2D+1.2D+1.1
CNN/SSRS1D+1.8D+0.8
GBAO1D+2.1D+1.9
Fox News (Beacon Research/Shaw & Co.)2D+2.2D+0.6
Marist Poll2D+2.4D+2.4
Echelon Insights1D+5.7R+0.8

All polls

Field datesPollsterSampleResultHouse-effect adjustedSource
Oct 15, 2026 – Oct 19, 2026co/efficient R863 LVD+4.0D+7.7release via votehub,wikipedia
Oct 8, 2026 – Oct 12, 2026National Public Affairs678 LVD+5.0D+6.6release via votehub,wikipedia
Oct 6, 2026 – Oct 12, 2026YouGov2,245 LVD+6.0D+5.8release via votehub,wikipedia
Oct 8, 2026 – Oct 11, 2026Marist Poll1,100 LVD+7.0D+4.7release via votehub,wikipedia
Oct 5, 2026 – Oct 6, 2026Emerson College650 LVD+3.7D+3.9release via votehub,wikipedia
Sep 29, 2026 – Oct 5, 2026CNN/SSRS801 LVD+9.0D+8.3release via votehub,wikipedia
Oct 1, 2026 – Oct 4, 2026Suffolk University500 LVD+12.0D+10.9release via wikipedia
Sep 22, 2026 – Oct 1, 2026The New York Times/Siena606 LVD+11.0D+11.3release via votehub,wikipedia
Sep 24, 2026 – Sep 28, 2026Fox News (Beacon Research/Shaw & Co.) R1,008 LVD+9.0D+8.6release via votehub,wikipedia
Sep 17, 2026 – Sep 20, 2026Marist Poll1,050 RVD+12.0D+9.6release via votehub,wikipedia
Sep 14, 2026 – Sep 16, 2026co/efficient R831 LVD+4.0D+7.7release via votehub,wikipedia
Sep 9, 2026 – Sep 11, 2026Cygnal R500 LVD+4.0D+5.7release via wikipedia
Sep 3, 2026 – Sep 8, 2026YouGov2,041 LVD+10.0D+9.8release via votehub,wikipedia
Aug 31, 2026 – Sep 1, 2026Emerson College750 LVD+3.0D+3.2release via votehub,wikipedia
Aug 27, 2026 – Aug 29, 2026Wedgewood Polls600 LVD+5.0D+5.1release via votehub
Aug 20, 2026 – Aug 23, 2026Suffolk University500 LVD+4.2D+3.1release via votehub,wikipedia
Aug 2, 2026 – Aug 4, 2026Emerson College712 LVD+5.0D+5.2release via votehub,wikipedia
Jun 23, 2026 – Jun 27, 2026Fox News (Beacon Research/Shaw & Co.) R1,003 RVD+9.0D+8.5release via votehub,wikipedia
Jun 15, 2026 – Jun 27, 2026The New York Times/Siena600 LVD+1.0D+1.3release via wikipedia
Jun 16, 2026 – Jun 19, 2026Cygnal R600 LVD+4.3D+6.0release via votehub,wikipedia
Apr 3, 2026 – Apr 9, 2026Echelon Insights377 LVD+12.0D+12.7release via votehub
Mar 10, 2026 – Mar 16, 2026GBAO D1,200 LVD+8.0D+5.9release via votehub
Oct 9, 2025 – Oct 13, 2025Z to A Research D1,351 LVD+2.0D+1.5release via votehub