Bob Hasegawa
Washington State Senator, District 11 since 2012. Next on the ballot in 2028.
- In office
- 14 yrs
- Since 2012
- Bills became law
- 5
- 33 sponsored, 2025–2026 session
- Votes missed
- 0.2%
- Chamber median 0.3%
- With party
- 91%
- On votes splitting the parties
- Last margin
- +52.7
- Won 2016
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Administrative Rules Review
- Business, Trade and Economic Development
- Economic Development and International Relations Legislative
- Legislative Audit and Review
- Rules
- State Government, Tribal Affairs and Elections
- Ways and Means
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Became law May 2025
Became law May 2025
Became law Apr 2025
Became law Apr 2025
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Hasegawa sits in the Washington State Senate
Hasegawa is closer to the center than 86% of the chamber's Democrats.
Closest: Marko Liias, Claudia Kauffman, Mike Chapman
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:09 PM ET
With Hasegawa’s party
- Votes with the chamber's Democrats91%
- Cosponsorships of the other party's bills17%
Black tick: the average of Democrats in the Washington State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Hasegawa’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Hasegawa | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Mar 12, 2026 | SB 6228: Removing a tax exemption for the warehousing and reselling of prescription drugs.… | Yes | Yes | No | Passed 26–23 |
| Mar 12, 2026 | SB 6260: Implementing efficiencies and programming changes in public education. | Yes | Yes | No | Passed 26–23 |
| Mar 6, 2026 | HB 2034: Concerning termination and restatement of plan 1 of the law enforcement officers' and… | Yes | Yes | No | Passed 25–22 |
| Mar 3, 2026 | HB 2294: Prohibiting negative use restrictions on real property that have the effect of limiting… | Yes | Yes | No | Passed 35–14 |
| Feb 28, 2026 | SB 6231: Removing a tax exemption for the replacement of equipment for data centers. | Yes | Yes | No | Passed 26–23 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Hasegawa 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 |
|---|---|---|---|
| 2024 | Washington State Senate, District 11 | Won | — |
| 2020 | Washington State Senate, District 11 | Won | — |
| 2016 | Washington State Senate, District 11 | Won | D+52.7 |
| 2012 | Washington State Senate, District 11 | Won | D+38.7 |
| 2010 | Washington House of Representatives, District 11-2 | Won | D+40.1 |
| 2008 | Washington House of Representatives, District 11-2 | Won | D+47.8 |
| 2006 | Washington House of Representatives, District 11-2 | Won | D+44.6 |
| 2004 | Washington House of Representatives, District 11-2 | Won | D+32.6 |
Source: 99chambers results archive
Seats Hasegawa has held
- Washington State Senate, District 11 · since 2012
- Washington House of Representatives, District 11-2 · 2004–2012
Source: 99chambers results archive
Who Hasegawa has run against
- Dennis Price (L) · 2016 general, won
- Kristin Thompson (R) · 2012 general, won
- John Potter (R) · 2010 general, won
- John Potter (R) · 2008 general, won
- John Potter (R) · 2006 general, won
- Ruth Gibbs (R) · 2004 general, won
Source: 99chambers results archive
How we know Hasegawa
One person, matched across every source we use.
- Open States ocd-person/86f82668-8d68-45c5-bbcd-a5557b4dad54
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET