Williamson County Fair 2025. The 2025 williamson county fair will be held august 1st through 9th at the williamson county agricultural expo park, 4215 long lane, franklin, tennessee 37064. Sign up for email updates.
The 2025 fair will make its return to the williamson county agexpo park from friday, august 2 to saturday, august 10. This ticket allows access into the fair, w/bleacher seating rodeo and main stage concert.