Oregon State Senate seat · lines in effect since 2022
Oregon Senate District 18
A district of about 137,000 people, 21% Hispanic, 44% of adults with a bachelor's degree. It votes D+34.6 relative to the nation for president.
2024 election
Nov 5, 2024- Wlnsvey Campos (D) · won62.7%
- Brian Pierson (R)37.2%
Source: Oregon Secretary of State (via OpenElections)Updated Oct 1, 2026, 6:07 AM ET
Where it sits among all 30 seats
Every Oregon 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.
Democratic
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. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Wlnsvey Campos (D) | Brian Pierson (R) | 25.5 |
| 2022 | No winner recorded | Wlnsvey Campos (D) | — |
| 2022 special | Wlnsvey Campos (D) | Kimberly Rice (R) | 23.5 |
| Lines first used in 2012 | |||
| 2020 | Ginny Burdick (D) | — | Unopposed |
| 2016 | Ginny Burdick (D) | — | Unopposed |
| 2012 | Ginny Burdick (D) | Suzanne Gallagher (R) | 39.0 |
| Lines first used in 2002 | |||
| 2008 | Ginny Burdick (D) | John Wight (R) | 40.4 |
| 2004 | Ginny Burdick (D) | John Wight (R) | 28.3 |
| Lines first used in 1992 | |||
| 1998 | Clifford W. Trow (D) | Win Eaton (R) | 16.3 |
| 1994 | Clifford W. Trow (D) | Rich Rodeman (R) | 9.8 |
| Lines first used in 1982 | |||
| 1990 | Clifford W. Trow (D) | Kathleen Kessinger (R) | 3.3 |
| 1986 | Clifford W. Trow (D) | Win Eaton (R) | 16.7 |
| 1982 | Clifford W. Trow (D) | Bob Jackson (R) | 24.7 |
| Lines first used in 1972 | |||
| 1978 | Clifford W. Trow (D) | Mario Pastega (R) | 18.0 |
| 1974 | Clifford W. Trow (D) | Gene M. Lear (R) | 12.8 |
| Lines first used in 1962 | |||
| 1968 | Kenneth A. Jernstedt (R) | — | Unopposed |
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 18
The state's districts in other chambers that share residents with this one, and the share of District 18's area in each.
- U.S. House
- OR-1 95%
Who lives here, compared
Grey bars show the spread of all 30 seats. Small marks are other seats in Oregon. The black marker is District 18.
Higher than 72% of seats.
Lower than 79% of seats.
Higher than 86% of seats.
Higher than 86% of seats.
Higher than 97% of seats.
Denser than 59% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 1527% Hispanic · 40% college gradsD+27.0CountingDistrict 13
50% college gradsD+30.0CountingDistrict 24
27% college gradsD+24.4Held DDistrict 19
64% college gradsD+45.5Held D
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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