Purchase 51st Annual Dillon Jaycee Demo Derby tickets for Beaverhead County Fair in Dillon, MT, scheduled for Sat, Jun 8, 2024 11:00 am. With 30 tickets up for grabs, priced between $61.00 to $73.00 and an average price of $65.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.