Aggregate of all polls released for Massachusetts' Senate election between Democrat Ed Markey and Republican John Deaton. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.
2026 Massachusetts Senate Polling Average
Ed Markey leads John Deaton by 21.4% in the Pollsmax polling average for the 2026 Massachusetts Senate election, 51.8% to 30.4%. The average currently aggregates results from 9 polls. According to the latest Massachusetts Senate poll, conducted by University of New Hampshire on August 24, Markey leads Deaton 49% to 30%.
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.
