Columbia County Fair 2026
Sep 11-13, 2026 Dayton, WAAbout
Founded in 1888, Columbia County Fair is a 3-day fair scheduled to be held from September 11, 2026 (Friday) to September 13, 2026 (Sunday) at the Columbia County Fairgrounds in Dayton, Washington and organized by Columbia County Fair Association. The fair attracts over 12,000 visitors around the region. It offers agricultural and educational events, various competitions and contests, and fun for the whole family. People of all ages will enjoy some good clean entertainment, eat first-rate food prepared by local cooks, and view some great exhibits. This is the 138th edition of the event.
Venue
Columbia County Fairgrounds
5 N Pine St Dayton, WAAdditional Info
Gate Admission
Adults: $10Seniors (60+): $5Juniors (7-12): $5Children Under 7: Free
Parking
Free
Official Links
Fair by the Numbers
Established: 1888 Edition: 138th Attendance: 12,000 Days Left: 101 Anniversary: 138th
Countdown
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