Benton County, Oregon elections office: address and phone for 2026
The Oregon Secretary of State lists the Benton County Elections Office at 4500 SW Research Way, 2nd Floor, Corvallis, OR 97333, phone 541-766-6756.
Benton County elections office
Benton County Elections Office
Office: 4500 SW Research Way, 2nd Floor, Corvallis, OR 97333
Phone: 541-766-6756
Website: re.bentoncountyor.gov/elections
Oregon votes by mail. Find an official ballot drop site with the Secretary of State's drop box locator.
Oregon voting dates for Benton County voters
| Date | What |
|---|---|
| Tue, Oct 13 | Last day to register Online by 11:59 p.m., mailed forms postmarked by Oct 13, or in person at your county elections office. source |
| Wed, Oct 14 | Ballots start going out Oregon votes by mail. Every registered voter is mailed a ballot. source |
| Tue, Nov 3, 8:00 PM | Election Day: ballot drop sites close at 8:00 p.m. Oregon votes by mail. Most of the state is on Pacific Time; most of Malheur County is on Mountain Time. source |
| Tue, Nov 3, 8:00 PM | Return your ballot Every registered voter is mailed a ballot starting Oct 14. Drop it at an official drop site by 8 p.m. on Election Day, or mail it so it is postmarked by Election Day. The Secretary of State advises mailing it at least a week early, or asking the post office for a manual postmark. source |
Benton County voting questions
What is the phone number for the Benton County elections office?
541-766-6756, the Elections Office (Benton County's elections office on the Oregon Secretary of State, County Elections Officials list).
What is the address of the Benton County elections office?
4500 SW Research Way, 2nd Floor, Corvallis, OR 97333.
More for Oregon voters
- Who is on the Oregon ballot: every candidate on the state's official list, race by race.
- Oregon voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Every Oregon county's office.
- Early voting dates in every state.
Other Oregon counties: Baker, Clackamas, Clatsop, Columbia, Coos, Crook, Curry, Deschutes, Douglas, Gilliam, Grant, Harney, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Malheur, Marion, Morrow, Multnomah, Polk, Sherman, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler, Yamhill.
Office details are from the Oregon Secretary of State, County Elections Officials (checked October 14, 2026). Dates are Oregon's, each linked to its source. Call the office before you go.