Oregon State Senate seat · lines in effect since 2022

Oregon Senate District 21

A district of about 138,000 people, 59% of adults with a bachelor's degree. It votes D+75.2 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.

D+75.22nd most
Democratic
Most DemocraticMost Republican16th seat · the majority lineDistrict 21

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 21.

Adults with a bachelor's degree59% 93rd pct · 3rd of 30 in OR

Higher than 93% of seats.

White adults without a degree30% 14th pct · 26th of 30 in OR

Lower than 86% of seats.

Hispanic residents9% 21st pct · 24th of 30 in OR

Lower than 79% of seats.

Black residents2% 72nd pct · 9th of 30 in OR

Higher than 72% of seats.

Asian residents4% 62nd pct · 12th of 30 in OR

Higher than 62% of seats.

People per square mile5,840 100th pct · 1st of 30 in OR

Densest of 30 seats.

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