Williamson County Fair – Franklin, TN The 2017 Williamson County Fair will be held August 4th through 12th at the Williamson County Agricultural EXPO Park, 4215 Long Lane, Franklin, Tennessee 37064.   FAIR HOURS Monday – Thursday 6:00 p.m. – 10:00 p.m. (Midway closes at 11:00 p.m.) Friday 6:00 p.m. – 10:00 p.m. (Midway closes at 12:00 midnight) […]