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Washington County Fair
July 24, 2026 — August 2, 2026 · 9:00 AM – 6:00 PM Unverified · Westside Commons (Washington County Fairgrounds)—Official bigfairfun.com still lists Hillsboro 24 July–2 August 2026, which is past as of 14 August 2026. No 2027 dates.