Oregon State Senate seat · lines in effect since 2022
Oregon Senate District 20
A district of about 141,000 people, 35% of adults with a bachelor's degree. It votes D+14.8 relative to the nation for president.
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 race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2022 | 2026 | |
|---|---|---|
| Oregon State Senate | D+0.8 | D+18.2 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: Oregon Secretary of State and civicAPIUpdated Nov 7, 2026, 3:01 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 20.
Lower than 52% of seats.
Higher than 55% of seats.
Lower than 66% of seats.
Higher than 69% of seats.
Higher than 79% of seats.
Denser than 86% 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 843% college gradsD+24.6Held DDistrict 7
36% college gradsD+31.2Held DDistrict 10
37% college gradsD+16.4CountingDistrict 13
50% college gradsD+30.0Counting
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
Who has held it
These lines took effect in 2022.
- Mark Meek (D)
2023– · Won 2022 by 0.8, 2026 by 18.2
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)