Margaret Wood Hassan
U.S. Senator from New Hampshire since 2017. Next on the ballot in 2028.
U.S. Senator from New HampshireBorn 1958
- In office
- 9 yrs
- Since 2017
- Bills became law
- 0
- 59 sponsored, 119th Congress
- Votes missed
- 1.5%
- Chamber median 2.1%
- With party
- 87%
- On votes splitting the parties
- Last margin
- +9.1
- Won 2022
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET
Committees
119th Congress.
- Senate Committee on FinanceEnergy, Natural Resources, and InfrastructureHealth Care · Ranking MemberTaxation and IRS Oversight
- Senate Committee on Health, Education, Labor, and PensionsEmployment and Workplace SafetyPrimary Health and Retirement Security
- Senate Committee on Homeland Security and Governmental AffairsPermanent Subcommittee on InvestigationsBorder Management, Federal Workforce, and Regulatory Affairs
- Senate Committee on Veterans' Affairs
- Joint Economic Committee · Ranking Member
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Armed Forces and National Security · Passed Senate Dec 2025
Armed Forces and National Security · Passed Senate Dec 2025
Public Lands and Natural Resources · In committee Sep 2026
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Hassan sits in the U.S. Senate
Hassan is closer to the center than 93% of the chamber's Democrats.
Closest: Angus S. King, Jr., Tim Kaine, Jeanne Shaheen
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Hassan’s party
- Votes with the chamber's Democrats87%
- Cosponsorships of the other party's bills63%
Black tick: the average of Democrats in the U.S. Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Hassan’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Hassan | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Jun 5, 2026 | S 2: Secure America Act | No | No | Yes | Passed 52–47 |
| Apr 16, 2026 | HJRES 140: Providing for congressional disapproval under chapter 8 of title 5, United States Code,… | No | No | Yes | Passed 50–49 |
| Feb 12, 2026 | HJRES 142: Disapproving the action of the District of Columbia Council in approving the D.C.… | No | No | Yes | Passed 49–47 |
| Jan 30, 2026 | HR 7148: Consolidated Appropriations Act, 2026 | Yes | No | Yes | Passed 71–29 |
| Dec 4, 2025 | HJRES 131: Providing for congressional disapproval under chapter 8 of title 5, United States Code,… | No | No | Yes | Passed 49–45 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Hassan was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin |
|---|---|---|---|
| 2022 | U.S. Senate, New Hampshire | Won | D+9.1 |
| 2016 | U.S. Senate, New Hampshire | Won | D+0.1 |
| 2014 | Governor of New Hampshire | Won | D+5.0 |
| 2012 | Governor of New Hampshire | Won | D+12.4 |
| 2010 | New Hampshire State Senate, District 23 | Lost | R+6.8 |
| 2008 | New Hampshire State Senate, District 23 | Won | D+14.4 |
| 2006 | New Hampshire State Senate, District 23 | Won | D+20.2 |
| 2004 | New Hampshire State Senate, District 23 | Won | D+3.9 |
| 2002 | New Hampshire State Senate, District 23 | Lost | R+8.1 |
Source: 99chambers results archive
Seats Hassan has held
- U.S. Senate, New Hampshire · 2017–2029
- Governor of New Hampshire · 2012–2016
- New Hampshire State Senate, District 23 · 2004–2010
Source: 99chambers results archive
Who Hassan has run against
- Donald C. Bolduc (R) · 2022 general, won
- Kelly Ayotte (R) · 2016 general, won
- Walter Havenstein (R) · 2014 general, won
- Ovide M. Lamontagne (R) · 2012 general, won
- Russell Prescott (R) · 2010 general, lost
- Marshall Quandt (R) · 2008 general, won
Source: 99chambers results archive
How we know Hassan
One person, matched across every source we use.
- Bioguide H001076
- FEC S6NH00091
- Wikidata Q24053
- Ballotpedia Maggie Hassan
- Vote Smart 42552
- GovTrack 412680
- OpenSecrets N00038397
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET