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.
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
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