Irwin Map
The City of Irwin is located in Union County in the State of Ohio. Find directions to Irwin, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. The Irwin time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).
Nearby cities include Marysville, Paris, Dipple, Catawba Station, Catawba.