County fair · Rolling applications
Boulder County Fair 2027
Boulder County Fairgrounds · 9595 Nelson Road, Longmont, CO 80501Accepting vendorsAbout this event
Boulder County Fair
The Boulder County Fair is an annual agricultural fair at the Boulder County Fairgrounds in Longmont, Colorado, with carnival rides, livestock and 4-H exhibits, live music in the Fair Garden, rodeo and grandstand events, a petting zoo and fair food. The 2027 edition is scheduled for August 11-15, 2027; the 2026 fair ran August 5-9.
Vendor requirements
What you’ll need on the day
Application
Who this market accepts
- Food
- Merchandise
- Educational
- Other
Your free account opens
- The official application
- Required documents and form questions
- Organizer email and phone
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