The Jefferson County Fair in Brookville, PA, is scheduled for July 19-25, 2026, following its traditional third week of July schedule, with plans underway for new ticket booths, entertainment, and continued community engagement The Jefferson County Fair in Brookville, PA is a premier summer tradition that brings the community together for a week of high-energy entertainment, agricultural excellence, and classic family fun. Visitors can look forward to a packed grandstand lineup featuring everything from the roar of the Demolition Derby and Rough Truck races to the power of professional truck and tractor pulls. For those seeking a change of pace, the fair offers professional rodeo action, mud bogs, and live musical performances ranging from country tributes to rock. Beyond the grandstand, the fairgrounds stay active with a full carnival provided by Bartlebaugh Amusements, the Bar C Ranch petting zoo, and daily shows that are always a crowd favorite. It is also a time to celebrate local heritage through 4-H and FFA livestock shows, competitive agricultural judging, and the annual livestock sale.