2026 Boulder County Fair Livestock Show & Rodeo

We are thrilled to announce that The Boulder County Fair is rolling back into Longmont August 5-9, 2026!Come celebrate history at Colorado’s Oldest County Fair. We are proud to bring our community together for five days of rustic fun that is FREE TO PARK and FREE TO ATTEND!Get ready to round up your crew for: 🤠 Wild Rodeo Action & Grandstand Events 🎡 Thrilling Carnival Rides & Family Fun 🍿 Mouthwatering Fair Food Favorites 🎸 Live Music & Entertainment to keep the party going 🐮 Blue-Ribbon Livestock Shows 🎨 Incredible Local Art Experiences AND SO MUCH MORE.Circle those dates now and we’ll see y’all at the fairgrounds this August!