Iowa Senate Forecast & Polls

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RacetotheWH Forecast & Interactives

Republican Senator Chuck Grassley is running for re-election against Admiral Michael Franken. Grassley won his last election by 24.4% in 2016. RacetotheWH launched in the 2020 election cycle, and our forecast was one of the nation's most accurate. It called over 93% of races right, and was more accurate than all of its top competitors at predicting the final margin in close Senate races. We’re projecting the result for all 34 Senate Races up in 2022.