Washington State Senate seat · lines in effect since 2024

Washington Legislative District 11

A district of about 148,000 people, 25% Asian, 38% of adults with a bachelor's degree. It votes D+39.3 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Bob Hasegawa (D) · won95.9%
  2. Write-ins and other votes (OTH)4.1%

Unopposed.

Source: Washington Secretary of StateUpdated Sep 30, 2026, 12:29 PM ET

Where it sits among all 49 seats

Every Washington State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+39.313th most
Democratic
Most DemocraticMost Republican25th seat · the majority lineDistrict 11

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every election for this seat

16 races since 1968; the seat changed party 1 time. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2024
2024Bob Hasegawa (D)—Unopposed
Lines first used in 2012
2020Bob Hasegawa (D)—Unopposed
2016Bob Hasegawa (D)Dennis Price (I)52.7
2012Bob Hasegawa (D)Kristin Thompson (R)38.7
Lines first used in 2002
2008Margarita Prentice (D)Juan Martinez (D)36.5
2004Margarita Prentice (D)Bill Roenicke (R)37.1
Lines first used in 1992
2000Margarita Prentice (D)—Unopposed
1996Margarita Prentice (D)—Unopposed
1992Margarita Prentice (D)Schillinger (R)46.3
Lines first used in 1982
1988Leo K. Thorsness (R)FlipEugene V. Lux (D)0.8
1984Avery Garrett (D)Kenyon (R)13.0
Lines first used in 1972
1980Albert Shinpoch (D)Mike Hanis (R)9.3
1978 specialAlbert Shinpoch (D)—Unopposed
1976Gary Grant (D)Norwood Cunningham (R)19.3
1972Gary Grant (D)Norwood Cunningham (R)6.0
Lines first used in 1962
1968Hubert F. Donohue (D)Herbert H. Freise (R)1.5

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Districts that overlap District 11

The state's districts in other chambers that share residents with this one, and the share of District 11's area in each.

U.S. House
WA-9 94%, WA-8 6%
Washington House of Representatives
LD-11 100%

Who lives here, compared

Grey bars show the spread of all 49 seats. Small marks are other seats in Washington. The black marker is District 11.

Adults with a bachelor's degree38% 58th pct · 21st of 49 in WA

Higher than 58% of seats.

White adults without a degree25% 17th pct · 41st of 49 in WA

Lower than 83% of seats.

Hispanic residents16% 73rd pct · 14th of 49 in WA

Higher than 73% of seats.

Black residents11% 92nd pct · 5th of 49 in WA

Higher than 92% of seats.

Asian residents25% 92nd pct · 5th of 49 in WA

Higher than 92% of seats.

People per square mile3,571 83rd pct · 9th of 49 in WA

Denser than 83% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET