2026 forecast

Iowa Governor forecast

Rob Sand vs Zach Lahn, an open seat. The model has Sand ahead by 8.1 points, winning 93 percent of 10,000 simulated elections.

Likely DModel D +8.1Polls D +7.3Updated October 9, 2026

County simulation

99 counties
D +40R +40Hover a county for the simulated vote

Every simulated outcome

10,000 sims
D +56.1: 1 simulationsD +54.2: 0 simulationsD +52.4: 0 simulationsD +50.5: 0 simulationsD +48.7: 0 simulationsD +46.8: 0 simulationsD +45.0: 0 simulationsD +43.1: 0 simulationsD +41.3: 0 simulationsD +39.4: 0 simulationsD +37.6: 0 simulationsD +35.7: 1 simulationsD +33.9: 0 simulationsD +32.0: 4 simulationsD +30.2: 2 simulationsD +28.3: 12 simulationsD +26.5: 23 simulationsD +24.6: 30 simulationsD +22.8: 51 simulationsD +20.9: 128 simulationsD +19.1: 198 simulationsD +17.2: 355 simulationsD +15.4: 539 simulationsD +13.5: 753 simulationsD +11.7: 978 simulationsD +9.8: 1226 simulationsD +8.0: 1304 simulationsD +6.1: 1250 simulationsD +4.3: 1109 simulationsD +2.4: 839 simulationsD +0.6: 604 simulationsR +1.3: 305 simulationsR +3.1: 152 simulationsR +5.0: 76 simulationsR +6.8: 36 simulationsR +8.7: 16 simulationsR +10.5: 2 simulationsR +12.4: 5 simulationsR +14.2: 0 simulationsR +16.1: 1 simulationsD +57.0R +17.0

80 percent of simulations fall between D +15.5 and D +1.0. Negative margins are Democratic wins.

Polls of the race

Full average
PollsterSampleAgeMargin
OnPoint averageLOWESS Election Day projectionD +7.3
Emerson College/Nexstar Media650 LV3dD +5.3
CNN/SSRS801 LV4dD +8.0
Suffolk University500 LV5dD +10.7
New York Times/Siena606 LV8dD +10.7
Fox News/Beacon Research and Shaw & Company1,008 LV11dD +8.4
NPR/Marist1,050 RV19dD +9.4
co/efficient (R)831 LV23dD +7.7
Cygnal (R)500 LV28dD +5.4
YouGov2,041 LV31dD +9.1
Emerson College750 LV38dD +4.3
Wedgewood Polls600 LV41dD +6.2
Suffolk University500 LV47dD +2.8
Emerson College712 LV66dD +6.3
Beacon Research and Shaw & Co. Research bipartisan1,003 RV104dD +8.7
New York Times/Siena600 LV104dD +0.7
Cygnal (R)600 LV112dD +6.4

Estimated vote by group

model crosstabs
GroupShareSandLahn
GenderMen46%48.049.4
Women54%56.940.6
Age18 to 2915%59.537.8
30 to 4422%53.544.0
45 to 6432%49.348.2
65+31%52.744.8
RaceWhite90%50.047.5
Black3%90.76.8
Latino3%68.728.8
Asian and other4%79.317.7
Race and genderWhite men41%44.453.0
White women49%54.642.8
Black men1%89.28.3
Black women2%92.15.4
Latino men2%66.930.5
Latino women2%70.527.0
All other races4%79.317.7