Irwin, Ohio

Irwin, Ohio
Post office
Post office
Location of Irwin, Ohio
Location of Irwin, Ohio
Coordinates: 40°07′21″N 83°29′22″W / 40.12250°N 83.48944°W / 40.12250; -83.48944
CountryUnited States
StateOhio
CountiesUnion
Elevation1,011 ft (308 m)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
43029[2]
Area code614
GNIS feature ID1064891[1]

Irwin is an unincorporated community in southwestern Union Township, Union County, Ohio, United States. It is located at the intersection of Ohio State Route 4 and 161.[3] Irwin has a post office which serves the surrounding area, including the community of Rosedale.