Aggregate of all polls released for Iowa's Governor election between Democrat Rob Sand and Republican Zach Lahn. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.
2026 Iowa governor Polling Average
Rob Sand leads Zach Lahn by 4.8% in the Pollsmax polling average for the 2026 Iowa governor election, 49.3% to 44.5%. The average currently aggregates results from 6 polls. According to the latest Iowa governor poll, conducted by Wedgewood Polls on August 29, Sand leads Lahn 51% to 46%.
Democrat
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Weighted polling average
Republican
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Weighted polling average
Net margin
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Polling average difference
Polls Included
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Number of polls conducted
Pollsmax creates a time-weighted and partisanship-adjusted polling average from an aggregate of all polls conducted for the general election. See the polling methodology to learn more about how polls are standardized and weighted.
