Massachusetts - United States Senate
Sen. Ed Markey beat Rep. Seth Moulton in the September 1 Democratic primary with 64.9% of the vote. He now faces Republican John Deaton, the party's 2024 nominee against Sen. Elizabeth Warren. Republicans haven't won a Senate race here since 2010.
In Congress since 1976 and co-author of the Green New Deal. Won the September 1 primary with 64.9%.
Campaign website →Attorney and the 2024 Republican nominee against Sen. Elizabeth Warren. Unopposed in the September 1 Republican primary.
Wikipedia profile →We haven't found a public general-election poll of Markey vs. Deaton yet. Massachusetts last sent a Republican to the Senate in 2010.
Where they stand
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Where each candidate stands on campaign-finance questions.
Sources: Markey: “I don’t take corporate PAC money” (campaign post)
Campaign committee totals for the 2025–26 cycle, through August 12, 2026. Under-$200 share is unitemized individual contributions divided by total receipts. FEC filings →
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