May-October – 1 to 4 PM Wednesday through Sunday
November, March and April – 1 to 4 PM Saturday and Sunday, closed December, January and February for exhibit change. 

Phone or email to schedule a tour.

The Marion County Historical Society offices are open  Monday-Friday from 9 AM to 4 PM except for January-April when they are closed on Mondays.   Call 740-387-4255 for more info or to schedule a tour of the Heritage Hall Museum or the Wyandot Popcorn Museum.