Warren County Fair Address: 371 Barton Run Rd, Pittsfield, PA 16340 Phone: (814) 563-3565 Fairgrounds, Carnivals Other Businesses: Warren County Pomona Grange at Fairgrounds, Pittsfield, PA 16340 Kafferline Pittsfield Inn at 418 Main St, Pittsfield, PA 16340 Frosty Jacks at 824 Newton Rd, Pittsfield, PA 16340 Ray's Satellite Television at 1450 Old Pittsfield Rd, Pittsfield, PA 16340