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Photo of John E. SununuR
Public domain
RepublicanRunning for NH U.S. Senate · 2026

John E. Sununu

John Edward Sununu is an American politician from the U.S. state of New Hampshire. A member of the Republican Party, he served in the U.S. House of Representatives from 1997 to 2003 and in the U.S. Senate from 2003 to 2009. He is the son of John H. Sununu and older brother of Chris Sununu, both of whom were governors of New Hampshire.
Born 1964 · Boston , Massachusetts, U.S.
In brief
AI · verified vs data · 2026-07-03

Former U.S. Representative (1997–2003) and Senator (2003–2009) John E. Sununu is seeking New Hampshire's seat in the U.S. Senate. He trails opponent Chris Pappas in polling, at about 42% compared to roughly 49%, and Polymarket data puts his win probability at roughly 20%.

42.1%
Polling average
our aggregate
16%
Win probability
market-implied
Governing & voting record

What Sununu did in office.

MeasureYearAction
A bill to designate the facility of the United States Postal Service located at 59 Colby Corner in East Hampst
Became Public Law No: 110-194.
2007
Became law
A bill to designate the facility of the United States Postal Service located at 11 Central Street in Hillsboro
Became Public Law No: 110-169.
2007
Became law
New England Wilderness Act of 2006
Became Public Law No: 109-382.
2006
Became law
USA PATRIOT Act Additional Reauthorizing Amendments Act of 2006
Became Public Law No: 109-178.
2006
Became law
A bill to amend the USA PATRIOT ACT to extend the sunset of certain provisions of that Act and the lone wolf p
Became Public Law No: 109-160.
2005
Became law
Presidential $1 Coin Act of 2005
Became Public Law No: 109-145.
2005
Became law
To designate the facility of the United States Postal Service located at 24 Tsienneto Road in Derry, New Hamps
Became Public Law No: 106-337.
2000
Became law
SPONSORED LEGISLATION VIA CONGRESS.GOV · ENACTED BILLS FIRST, THEN THE MOST RECENT · ROLE SHOWS THE BILL'S LATEST STATUS.
How Sununu votes

With the party, against it, and where on the spectrum.

Ideological placement · roll-call record
Dem median
GOP median
Sununu
← LiberalCenterConservative →
Center-right
Overall lean
74
DW-NOMINATE · 0–100
DW-NOMINATE FIRST-DIMENSION SCORE FROM ROLL-CALL VOTES IN THE 110TH CONGRESS (SENATE), VIA VOTEVIEW. 0 = MOST LIBERAL, 100 = MOST CONSERVATIVE.
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
1997United States representative
1997–2003
2003United States senator
2003–2009
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
—
No campaign finance on file
FEC filings appear here once the candidate's committee reports. Early-cycle and self-funding candidates often have nothing on record yet.
Race

The contest Sununu is running in.

NH · SENATE · 2026likely d
Sununu (R) vs Chris Pappas (D)
42.1%−6.9 Pappas49.1%
Open full race detail →
Related prediction markets
All markets →

Live contract prices tied to Sununu and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.

Sources & provenance
Biography
Public record
Wikipedia + state records
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: UNKNOWN AUTHORUNKNOWN AUTHOR · PUBLIC DOMAIN (WIKIMEDIA COMMONS)
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Photo of John E. SununuR
Republican · NH U.S. Senate

John E. Sununu

John Edward Sununu is an American politician from the U.S. state of New Hampshire. A member of the Republican Party, he served in the U.S. House of Representatives from 1997 to 2003 and in the U.S. Senate from 2003 to 2009. He is the son of John H. Sununu and older brother of Chris Sununu, both of whom were governors of New Hampshire.

Where Sununu standsRace →
Sununu 42.1%Chris Pappas 49.1%
Market · wins
16¢
42.1%
Poll avg
16%
Win prob
In brief
AI · verified vs data · 2026-07-03

Former U.S. Representative (1997–2003) and Senator (2003–2009) John E. Sununu is seeking New Hampshire's seat in the U.S. Senate. He trails opponent Chris Pappas in polling, at about 42% compared to roughly 49%, and Polymarket data puts his win probability at roughly 20%.

Governing & voting record
A bill to designate the facility of the United States Postal Service located at 59 Colby Corner in East Hampst
2007 · BECAME LAW
Became
A bill to designate the facility of the United States Postal Service located at 11 Central Street in Hillsboro
2007 · BECAME LAW
Became
New England Wilderness Act of 2006
2006 · BECAME LAW
Became
USA PATRIOT Act Additional Reauthorizing Amendments Act of 2006
2006 · BECAME LAW
Became
A bill to amend the USA PATRIOT ACT to extend the sunset of certain provisions of that Act and the lone wolf p
2005 · BECAME LAW
Became
Presidential $1 Coin Act of 2005
2005 · BECAME LAW
Became
To designate the facility of the United States Postal Service located at 24 Tsienneto Road in Derry, New Hamps
2000 · BECAME LAW
Became
Where Sununu stands
AI · from the record
Homeland security
Sponsored the USA PATRIOT Act Additional Reauthorizing Amendments Act of 2006 and a bill extending the sunset of certain USA PATRIOT Act provisions and the lone wolf provision, both of which became law (Public Law Nos. 109-178 and 109-160).
Land conservation
Sponsored the New England Wilderness Act of 2006, which became Public Law No. 109-382.
Constituent services
Sponsored multiple bills designating local United States Postal Service facilities in New Hampshire, three of which became law (Public Law Nos. 110-194, 110-169, and 106-337).
Party independence
His DW-NOMINATE ideology score of 74 in the 110th Congress places him right of the chamber median (50) and just right of the Senate Republican median (70), consistent with a center-right voting record.
Career & history
1997United States representative
1997–2003
2003United States senator
2003–2009
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.
How Sununu votes
Ideological placement · roll-call record
Dem median
GOP median
Sununu
← LiberalCenterConservative →
Center-right
Overall lean
74
DW-NOMINATE · 0–100
DW-NOMINATE FIRST-DIMENSION SCORE FROM ROLL-CALL VOTES IN THE 110TH CONGRESS (SENATE), VIA VOTEVIEW. 0 = MOST LIBERAL, 100 = MOST CONSERVATIVE.
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
—
No campaign finance on file
FEC filings appear here once the candidate's committee reports. Early-cycle and self-funding candidates often have nothing on record yet.
Race
NH · SENATE · 2026likely d
Sununu (R) vs Chris Pappas (D)
42.1%−6.9 Pappas49.1%
Open full race detail →
Related prediction markets
All markets →
Sources & provenance
Biography
Public record
Wikipedia + state records
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: UNKNOWN AUTHORUNKNOWN AUTHOR · PUBLIC DOMAIN (WIKIMEDIA COMMONS)