The Boulder County Fair is the oldest fair in Colorado celebrating its 154th year.

Come enjoy the carnival, live entertainment in the Fair Garden, Kid’s Corral and Petting Zoo and your favorite fair foods, along with 4-H animal projects, the Dairy Bar and a live in-person junior livestock sale! Carnival Rides, Livestock, Live Music, 4-H & Open Creative Living Exhibits, Fair Food, Petting Zoo, Kid’s Corral