Located in Monroe, Washington Since 1949, the 193-acre Evergreen State Fairgrounds is home to the Evergreen State Fair. The annual fair is one of the largest events held annually in the Pacific Northwest and is the largest single attraction held in Snohomish County. The Fairgrounds includes several permanent facilities which are used year-round for Northwest horse shows, trade shows, swap meets, auto races and more. The Gary D. Weikel Events Center (a 36,000 square foot multi-purpose building);