John Deaton
Lost the 2026 race for U.S. Senate in Massachusetts.
- Last margin
- −31.2
- Lost 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 11:01 PM ET
Background
As listed by the official candidate list, Wikidata and campaign filings. 99chambers does not summarize platforms or endorsements.
- On the ballot as
- attorney and nominee for U.S. Senate in 2024
Source: Wikidata (CC0) and the official candidate listUpdated Oct 27, 2026, 11:01 PM ET
Every race Deaton has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Deaton won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | U.S. Senate in Massachusetts | General | Lost | Edward J. Markey (D), Shiva Ayyadurai (I) | 32.1% | D+31.2 | $1.7M | D+25.9 | |
| 2024 | U.S. Senate, Massachusetts | General | Lost | Elizabeth Warren (D) | 40% | D+19.8 | $2.2M | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Money
Deaton’s campaign fundraising, and outside money in Deaton’s races this cycle.
- Raised, 2025–26
- $1.7M
- Outside, for Deaton
- $644.5K
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
What’s next
From campaign filings, not from public statements.
| JOHN DEATON FOR SENATE FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Polls of Deaton’s races
The 2026 general average had Deaton behind by 26.5; Deaton lost by 31.2.
| Race | Average | Result |
|---|---|---|
| 2026 · 14 polls | D+26.5 | D+31.2 |
Source: 99chambers polling average on Election Day; 2026 results: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Who Deaton has run against
- Edward J. Markey (D) · 2026 general, lost
- Elizabeth Warren (D) · 2024 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Deaton
One person, matched across every source we use.
- FEC S6MA00304
- Wikidata Q141322188
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 11:01 PM ET