Visit the Boulder County Ballot Measures website for information about 2025 ballot measures.

Share your feedback on Boulder County’s website by Friday, Oct. 3. Take the website survey.

Boulder County Housing Authority remains open during a federal government shutdown. Find out more.

Fairgrounds

Fairgrounds

  1. Events
  2. Fairgrounds

Events Search and Views Navigation

Event Views Navigation

Today

Horse Tack Sale – Open to the Public

Exhibit Building 9595 Nelson Road, Longmont, CO

Alpaca Extravaganza

Indoor Arena 9595 Nelson Road, Longmont, CO

Alpaca Extravaganza

Indoor Arena 9595 Nelson Road, Longmont, CO

Niwot Antique Auction

Barn A 9595 Nelson Road, Longmont, CO

Alpaca Extravaganza

Indoor Arena 9595 Nelson Road, Longmont, CO

Longmont Survival and Prepper Show

Exhibit Building 9595 Nelson Road, Longmont, CO

Longmont Survival and Prepper Show

Exhibit Building 9595 Nelson Road, Longmont, CO

True West Productions Barrels Jackpot

Indoor Arena 9595 Nelson Road, Longmont, CO

Front Range Coin Club Coin Show

Barn A 9595 Nelson Road, Longmont, CO

True West Productions Barrels Jackpot

Indoor Arena 9595 Nelson Road, Longmont, CO

4-H Spring Carnival “Fun in the Sun” — Public Welcome!

Exhibit Building 9595 Nelson Road, Longmont, CO

Front Range Coin Club Coin Show

Barn A 9595 Nelson Road, Longmont, CO