Boulder County Fair 2026
Aug 5-9, 2026 Longmont, COAbout
Established in 1869, Boulder County Fair is a 5-day fair set to be held on Aug 5-9, 2026 at the Boulder County Fairgrounds which is located in Longmont, Colorado and organized by Boulder County Fair Board. The fair attracts over 150,000 visitors around the region. It features educational and agricultural events, various competitions and contests, and fun for the whole family. People of all ages will enjoy some good clean entertainment, eat first-rate food prepared by local cooks, and view some great exhibits. This is the 157th edition of the event.
Venue
Boulder County Fairgrounds
9595 Nelson Road Longmont, COAdditional Info
Hours
10 am - 10 pm daily
Gate Admission
Free
Carnival Ride Hours
Wednesday: 5 pm - 11 pmThursday: 12 pm - 11 pmFriday - Saturday: 2 pm - 11 pmSunday: 2 pm - 10 pm
Parking
Free
Fair by the Numbers
Established: 1869 Edition: 157th Attendance: 150,000 Days Left: 64 Anniversary: 157th
Countdown
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