Jefferson County Fair

Kids Horse Show and Rodeo Friday 9am-3pm

Jefferson County Wrangler Roundup Friday 4pm

  • Goat Tying - $10.00
  • Team Penning (open) - $30.00 Team
  • Ladies Breakaway Roping (open) - $12.00
  • Steer Riding (14 yrs & under) - $10.00
  • Calf Decorating - $20.00
  • Ladies Barrel Race (open) - $10.00
  • Cow Riding (15 yrs & over) - $12.00
  • Ladies Cow Riding - $12.00
  • Team Roping (open) – 3 hd. progressive $30.00 Team
  • Team Branding (open) - $40 Team

For more information contact Brady Nordahl (406)531-4581

Jefferson County Fair logo

Fair Book & Fair Schedule

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The Fair Book is available in Adobe PDF format. You can download Adobe Reader for free here.

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fairgrounds location map

2021 FAIR DATES  August 26-29

Visit the NEW Fair and Rodeo Webpage!

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Jefferson County Recreation Park - off highway 69, 1/2 mile south of Boulder

21 N Whitetail Rd, Boulder MT

For the BEST Inexpensive Fun for the Whole Family! Live music in the park, exhibits, carousel rides, food and admission to the Fair is FREE! Rodeo admission is $8/adults $5/youth

NRA Rodeos: Saturday 5pm and Sunday 2pm

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Saturday: BBQ 3-6 PM, Food auction 7:30 PM
Barn Dance with music by SunsAh406, 8 PM

Vendors and Volunteers Wanted

Vendor and Display Space applications are now available! Groups who are planning concessions or informational displays need to submit a Vendor Application Form. Space is reserved on a first-come-first served basis. Download and print the Vendor Application Form here and the Vendor Rules and Regulation for 2021 here. Forms can also be obtained from Terry Minow or email

Would you like to help out at the Fair? Volunteers are always welcome! There are areas where additional assistance would be appreciated such as helping to take entries or helping during some of the judging, to even assisting with the food auction Saturday evening or the Barn Dance Saturday night. If you are interested in being a Volunteer or for more information, Terry Minow at or Leah Lewis at

aerial view of fairgrounds