Margaret Wood Hassan
Photo: Government Publishing Office, Public domain
DemocratIn office since Jan 2017

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

119th Congress · 59 sponsored · 0 became law

No bills in this list for the 119th Congress.

Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET

Voting record

119th Congress · placement by roll-call votes

Where Hassan sits in the U.S. Senate

Hassan is closer to the center than 93% of the chamber's Democrats.

Dem. medianRep. medianHassanMore liberalMore conservative

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.

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.

YearRaceResultMargin
2022U.S. Senate, New HampshireWonD+9.1
2016U.S. Senate, New HampshireWonD+0.1
2014Governor of New HampshireWonD+5.0
2012Governor of New HampshireWonD+12.4
2010New Hampshire State Senate, District 23LostR+6.8
2008New Hampshire State Senate, District 23WonD+14.4
2006New Hampshire State Senate, District 23WonD+20.2
2004New Hampshire State Senate, District 23WonD+3.9
2002New Hampshire State Senate, District 23LostR+8.1

Source: 99chambers results archive

Seats Hassan has held

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.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET