I am located in booth number 345, which appears to be on High St., south of 161 between W. New England Ave. and W. Short St., and probably on the west side of the street.
Here's a link for more info about Worthington Market Day: http://worthingtonohcoc.weblinkconnect.com/cwt/External/WCPages/WCEvents/EventDetail.aspx?EventID=1389
I hope to see you there!