Where to vote in Lake Oswego, Oregon on November 3, 2026
- Election DayTue, Nov 3Tuesday, November 3
- Election officeClackamas County503-655-8510
Find your polling place Election office Voting dates
Most of Lake Oswego (94% of its people) is in Clackamas County; parts are in Multnomah County. You vote with the county you live in. Lake Oswego has about 39,722 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.
Clackamas County elections office
Clackamas County Elections Office
Office: 1710 Red Soils Ct, Suite 100, Oregon City, OR 97045
Phone: 503-655-8510
Website: clackamas.us/elections
Oregon votes by mail. Find an official ballot drop site with the Secretary of State's drop box locator.
Oregon voting dates for Lake Oswego voters
| Date | What |
|---|---|
| Tue, Oct 13 Ended | Last day to register online, by mail or in person source |
| Wed, Oct 14 Started | Ballots start going out source |
| Tue, Nov 3, 8 p.m. | Election Day: ballot drop sites close at 8 p.m. source |
| Tue, Nov 3, 8 p.m. | Return your ballot source |
Lake Oswego voting questions
How do I vote in Lake Oswego?
Oregon mails every registered voter a ballot. Return it by mail or to a ballot drop box. Enter your address on the Oregon page to find the nearest.
What is the phone number of the election office for Lake Oswego?
503-655-8510, the Clackamas County Elections Office, 1710 Red Soils Ct, Suite 100, Oregon City, OR 97045.
Which county runs elections in Lake Oswego?
Clackamas County, for most of the city (94% of its people). Parts of Lake Oswego are in Multnomah County; voters there use their own county.
More for Lake Oswego voters
- Oregon voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Clackamas County election office: address and phone.
- Multnomah County, for the part of Lake Oswego in it.
- Who is on the Oregon ballot, race by race.
- What's on my ballot and where do I vote, from your street address.
- Voting in every major U.S. city.
Other big cities in Oregon: Portland, Salem, Eugene, Gresham, Hillsboro, Bend.
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; city population and county lines are from the U.S. Census Bureau.