Home › Venues › Mercer County Park Mercer County Park Tickets Buy tickets for concerts at Mercer County Park in West Windsor Township, NJ. No Upcoming Events No upcoming events scheduled at Mercer County Park. Please contact us with any corrections. Hotels & Lodging Near Mercer County Park About the Venue Mercer County Park At-a-Glance Address335 South Post RoadWest Windsor Township, NJ 08550United States Map & Directions Advertisement