CC0
RepublicanRunning for MA U.S. Senate · 2026
John Deaton
The 2024 United States Senate election in Massachusetts took place on November 5, 2024. Democratic incumbent Senator Elizabeth Warren successfully ran for a third term, securing 59.81% of the vote. Warren was challenged by Republican attorney John Deaton. Primary elections took place on September 3, 2024.
In brief
—
No profile summary yet
Summaries are written and fact-checked against the underlying data in nightly batches. This candidate's hasn't been generated or verified yet.
30.6%
Polling average
our aggregate
4%
Win probability
market-implied
$1.4M
Raised this cycle
FEC · committee
Independence scorecard
Computed · FEC money mixWho Deaton's money comes from.
B−
62/100
Independence index
A mixed funding picture — small-dollar reliance is the watch item.
2 watch items · small-dollar reliance
Small-dollar reliance24
12% of individual + PAC money from donors under $200
PAC independence100
0% of individual + PAC money from PACs
In-state funding26
74% of itemized receipts come from out of state
Outside-money exposure100
No significant outside spending in support so far
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
FEC itemized filings · cycle-to-dateWho funds the campaign.
$1.4M
Raised
$572k
Spent
$829k
Cash on hand
Source of funds · individual + PAC
12% small (<$200)88% large indiv.0% PAC
26% in-state · 74% out-of-state (itemized)
Top contributors · bundled by employer / org
RIPPLE
$11k
DIGITAL ASCENSION GROUP
$7k
BOX COUNSEL
$7k
CARRUTH
$7k
SKYBRIDGE CAPITAL
$7k
RIPPLE INC
$7k
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-03-31 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING.
Race
The contest Deaton is running in.
MA · SENATE · 2026safe d
Deaton (R) vs Ed Markey (D)
30.6%−21.1 Markey51.7%
Open full race detail →
Related prediction markets
All markets →Live contract prices tied to Deaton and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.
Will the Democrats win the Massachusetts Senate race in 2026?
Polymarket · Democrat
Will the Republicans win the Massachusetts Senate race in 2026?
Polymarket · Republican
Which party will win the 2026 US Senate election in Massachusetts?
predictit · Democratic Party
Which party will win the 2026 US Senate election in Massachusetts?
predictit · Republican Party
Massachusetts Senate winner?
Kalshi · vol $3 · Republican party
Massachusetts Senate winner?
Kalshi · Democratic party
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: ZACKCARNS · CC0 (WIKIMEDIA COMMONS)
Related coverage
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subscriber.politicopro.com · 2026-07-06
E&E News: Climate programs regain footing as Massachusetts Dems debate energy affordability
swampscotttides.org · 2026-07-06
UNH Poll: Markey’s Lead Over Moulton Narrows Ahead of September Democratic Primary
masslive.com · 2026-07-05
Markey and Moulton will have first US Senate primary debate in WMass
Republican · MA U.S. Senate
John Deaton
The 2024 United States Senate election in Massachusetts took place on November 5, 2024. Democratic incumbent Senator Elizabeth Warren successfully ran for a third term, securing 59.81% of the vote. Warren was challenged by Republican attorney John Deaton. Primary elections took place on September 3, 2024.
Where Deaton standsRace →
Deaton 30.6%Ed Markey 51.7%
Market · wins
4¢
30.6%
Poll avg
4%
Win prob
$1.4M
Raised
In brief
—
No profile summary yet
Summaries are written and fact-checked against the underlying data in nightly batches. This candidate's hasn't been generated or verified yet.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Independence scorecard
Who Deaton's money comes from.
B−
62/100
Independence index
A mixed funding picture — small-dollar reliance is the watch item.
2 watch items · small-dollar reliance
Small-dollar reliance24
12% of individual + PAC money from donors under $200
PAC independence100
0% of individual + PAC money from PACs
In-state funding26
74% of itemized receipts come from out of state
Outside-money exposure100
No significant outside spending in support so far
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
$1.4M
Raised
$572k
Spent
$829k
Cash on hand
Source of funds · individual + PAC
12% small (<$200)88% large indiv.0% PAC
26% in-state · 74% out-of-state (itemized)
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-03-31 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING.
Race
MA · SENATE · 2026safe d
Deaton (R) vs Ed Markey (D)
30.6%−21.1 Markey51.7%
Open full race detail →
Related prediction markets
All markets →Will the Democrats win the Massachusetts Senate race in 2026?
Polymarket · Democrat
Will the Republicans win the Massachusetts Senate race in 2026?
Polymarket · Republican
Which party will win the 2026 US Senate election in Massachusetts?
predictit · Democratic Party
Which party will win the 2026 US Senate election in Massachusetts?
predictit · Republican Party
Massachusetts Senate winner?
Kalshi · vol $3 · Republican party
Massachusetts Senate winner?
Kalshi · Democratic party
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: ZACKCARNS · CC0 (WIKIMEDIA COMMONS)