A Fair of the Heart- Jefferson County Fair & Rodeo, Boulder, Montana

A Fair of the Heart- Jefferson County Fair & Rodeo, Boulder, Montana Jefferson County Fair and Rodeo, August 20-21, 2026. Boulder, Montana. Affordable family fun! FREE admission to fair, $2 per car parking!

Rodeos, parades, exhibits, live music, competitions, food, vendors, auctions, 4-H! "A Fair of the Heart"
Jefferson County Fair & Rodeo
Schedule at jeffersoncounty-mt.gov

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

Live music, rodeos, kids' activities, exhibits, carousel rides, barn dance, food! Fairgrounds Admission - FREE!

08/23/2026
08/23/2026
08/23/2026

An orange iPhone was found at the dance last night. Call 406-459-5694 or come to fair headquarters to identify & pick up. A Helena hoody was also left here.

08/23/2026
08/23/2026

Real barn dance just $2 admission! Come on down!

Lipstick and Found…. At head quarters!
08/22/2026

Lipstick and Found…. At head quarters!

02/16/2026

Big News! We changed the date of the 2026 fair and rodeo! It is now the third week in August, August 20-23, 2026. See you there!

Send a message to learn more

02/10/2026

⭐️2026 Events in Boulder, MT⭐️

01/31/2026

The Jefferson County Fair Board has proposed a date change for its annual summer event. At its Feb. 4 meeting at Volunteer Hall, 6:30 pm, the board will vote on holding the 2026 Fair Aug. 20-23, a week earlier than previously announced, to accommodate the start of classes at public schools. All are welcome to the Feb. 4 meeting.

Address

Boulder, MT
59632

Opening Hours

Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 5pm
Sunday 9am - 5pm

Telephone

+14062254039

Website

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