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. Ran in 9 elections between 2002 and 2022, winning 7. 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.

YearRaceResultMarginSeat+/−
2022U.S. Senate, New HampshireWonD+9.1D+7.5+1.6
2016U.S. Senate, New HampshireWonD+0.1D+0.4−0.3
2014Governor of New HampshireWonD+5.0D+5.7−0.7
2012Governor of New HampshireWonD+12.4D+5.7+6.7
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

Campaign money, 2021–22

Raised
$37M
Spent
$39.2M
Cash
$124.1K

Source: FEC filings through Dec 31, 2022Updated Oct 8, 2026, 10:37 AM ET

Seats Hassan has held

Source: 99chambers results archive

Who Hassan has run against

Source: 99chambers results archive

In the polls

Included in 175 polls; Hassan’s best result was 55% (New Hampshire Governor, 2014).

Hassan’s polls in the database →

Source: Polls: The New York Times and Wikipedia poll lists

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