Home › Venues › Umatilla County Fair Umatilla County Fair Tickets Buy tickets for concerts at Umatilla County Fair in Hermiston, OR. No Upcoming Events No upcoming events scheduled at Umatilla County Fair. Please contact us with any corrections. Hotels & Lodging Near Umatilla County Fair About the Venue Umatilla County Fair At-a-Glance Address1705 E Airport RdHermiston, OR 97838United States Map & Directions Website www.umatillacountyfair.net/Advertisement