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Montgomery County Fairgrounds - OH Tickets

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OH Venue | Tickets, Pa

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The venue

About Montgomery County Fairgrounds - OH

Welcome to the Montgomery County Fairgrounds—OH, the central hub for Montgomery County events in Dayton. Since 2018, the primary fair operations have been housed at 645 Infirmary Road, while the broader onMain redevelopment (Phase 1) in the Imagination District expands around the former South Main Street site. Phase 1 introduces a Main Event Center (~26,000 sq ft) and an Exhibit Hall (~16,000 sq ft), alongside new public spaces like Canal Park and Think Dayton Plaza. We’ll help you navigate seating options, parking, transit, and nearby hotel and dining choices so you can secure your seats with confidence.

Whether you’re catching a fair, concert, trade show, or community event, think of us as your local connection for tickets and logistics. We’ve got you: clear details, reliable options, and a straight path to securing your seats for events at 645 Infirmary Road and the surrounding onMain footprint.

Plan ahead with practical details: parking at the onMain Phase 1 site includes roughly 460 spaces to accommodate events, with convenient access via Greater Dayton RTA bus routes 01 and 22 stopping near Stewart/Main. For overnight stays, consider nearby hotels like Holiday Inn Express & Suites Dayton SW – University Area and Courtyard by Marriott Dayton University of Dayton. When you’re ready, we’ll link you to trusted partners for lodging and dining so you can focus on the event. If an event is RESCHEDULED or Date to be announced, we’ll reflect those details clearly so you can adjust plans confidently.

For the latest event details, ticketing, and venue updates, keep in touch with the Montgomery County Fair and our network of affiliate partners. We’re your straightforward, no-fruss connection to great experiences in Dayton.

Good to know

Seating, Parking & Venue Information

  • The original Montgomery County Fairgrounds site on South Main Street has been renamed onMain: Dayton's Imagination District and is undergoing long-term redevelopment (Phase 1 underway).
  • Current fairgrounds venue area and fair operations are concentrated at 645 Infirmary Road, Dayton, OH 45417, the established location for the Montgomery County Fair since 2018.
  • Phase 1 infrastructure at onMain spans approximately 18 acres and includes about 460 parking spaces; initial public spaces include Canal Park and Think Dayton Plaza.
  • Two lead facilities planned in Phase 1 are the Main Event Center (about 26,000 square feet) and an Exhibit Hall (about 16,000 square feet).
  • The old fairgrounds site (S. Main Street) has seen substantial demolition, with plans to preserve the historic Roundhouse (Octagon Building) as part of redevelopment.
  • The Montgomery County Fair continues to be hosted at 645 Infirmary Road, with attendance numbers often cited around 65,000 for a typical year; tickets and event details are posted by the fair office.
  • Transit options for the onMain area include Greater Dayton RTA bus service (nearby routes such as 01 and 22, with stops near Stewart/Main), enabling access for attendees.
  • Nearby hotels for visitors include Holiday Inn Express & Suites Dayton SW – University Area (2140 S Edwin C Moses Blvd) and Courtyard by Marriott Dayton University of Dayton (2006 S Edwin C Moses Blvd).