Where to vote in Mercer Island, Washington on November 3, 2026
- Where1 placeIn Mercer Island
- Election DayTue, Nov 3Tuesday, November 3
- Election officeKing County206-296-8683
Find sites near me Find by ZIP code Election office
Mercer Island is in King County. Mercer Island has about 25,422 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.
Mercer Island voting place (1)
Washington votes by mail; ballots must be in a King County drop box by 8 p.m. on November 3. Vote centers register new voters, update records and help voters who need assistance, including accessible voting equipment. Drop box list.
- Mercer Island Community & Event Center
8236 SE 24th Street, Mercer Island, WA 98040
Open 24 hours a day from October 15 until 8 p.m. on November 3
Directions
The places with a Mercer Island address, from the King County Elections, Vote centers and Ballot drop boxes, checked October 16, 2026. Hours can change, so check before you go.
King County elections office
King County Elections
Office: 919 Southwest Grady Way, Renton, WA 98057
Phone: 206-296-8683
Regular office hours: Monday to Friday, 8:30 a.m. to 4:30 p.m.
Find your voting centers and ballot drop boxes at VoteWA.
Washington voting dates for Mercer Island voters
| Date | What |
|---|---|
| Fri, Oct 16 | Voting begins and ballots go out source |
| Fri, Oct 16 | Voting period opens source |
| Mon, Oct 26 | Register online or by mail source |
| Tue, Nov 3, 8 p.m. | Election Day: drop boxes close at 8 p.m. source |
| Tue, Nov 3, 8 p.m. | Register in person source |
| Tue, Nov 3, 8 p.m. | Return your ballot source |
Mercer Island voting questions
How do I vote in Mercer Island?
Washington mails every registered voter a ballot. Return it by mail or to a ballot drop box, or get help at a vote center (1 voting place on this page). Enter your address on the Washington page to find the nearest.
Where can I vote in person in Mercer Island?
At the voting place on this page, from King County's official list. Washington votes by mail; ballots must be in a King County drop box by 8 p.m. on November 3. Vote centers register new voters, update records and help voters who need assistance, including accessible voting equipment. Drop box list.
What is the phone number of the election office for Mercer Island?
206-296-8683, the King County Elections, 919 Southwest Grady Way, Renton, WA 98057.
Which county runs elections in Mercer Island?
King County. Mercer Island voters register and vote with King County.
More for Mercer Island voters
- Washington voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- King County early voting locations, every site in the county.
- King County election office: address and phone.
- Who is on the Washington 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 Washington: Seattle, Spokane, Tacoma, Vancouver, Bellevue, Kent, Everett, Spokane Valley, Renton.
Office details are from the Washington Secretary of State, County Elections Offices (checked October 14, 2026). Dates are Washington's, each linked to its source. Call the office before you go; city population and county lines are from the U.S. Census Bureau.