Oregon State Senate seat · lines in effect since 2022
Oregon Senate District 23
A district of about 136,000 people, 51% of adults with a bachelor's degree. It votes D+70.7 relative to the nation for president.
2024 election
Nov 5, 2024- Khanh Pham (D) · won97.5%
- Write-ins and other votes (OTH)2.5%
Unopposed.
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
15 races since 1972. 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 | Khanh Pham (D) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Michael Dembrow (D) | — | Unopposed |
| 2016 | Michael Dembrow (D) | — | Unopposed |
| 2014 special | Michael Dembrow (D) | Michael Marvin (I) | 74.1 |
| 2012 | Jackie Dingfelder (D) | Tracy Olsen (I) | 61.3 |
| Lines first used in 2002 | |||
| 2008 | Jackie Dingfelder (D) | — | Unopposed |
| 2004 | Avel Louise Gordly (D) | Lou Burbach (I) | 77.4 |
| Lines first used in 1992 | |||
| 2000 | Bill Fisher (R) | Larry Mack (D) | 38.7 |
| 1996 | Bill Fisher (R) | Donald A. Dole (D) | 30.6 |
| 1992 | Rod Johnson (R) | Judi Pettengil (D) | 34.3 |
| Lines first used in 1982 | |||
| 1988 | John Kitzhaber (D) | Bill Fisher (R) | 20.7 |
| 1984 | John Kitzhaber (D) | Henry Sylvia (R) | 14.3 |
| Lines first used in 1972 | |||
| 1980 | John Kitzhaber (D) | Richard L. Fowler (R) | 30.8 |
| 1976 | Jason Boe (D) | Richard L. Fowler (R) | 20.9 |
| 1972 | Jason Boe (D) | — | 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 23
The state's districts in other chambers that share residents with this one, and the share of District 23's area in each.
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | D+67.9 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
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 23.
Higher than 83% of seats.
Lower than 83% of seats.
Lower than 69% of seats.
Higher than 90% of seats.
Higher than 86% of seats.
Denser than 97% 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 1459% college gradsD+63.8Not up in 2026District 21
59% college gradsD+75.2Not up in 2026District 17
67% college gradsD+64.1Held 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