Irwin, Ohio

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Irwin, Ohio

|settlement_type = Unincorporated community

|nickname =

|motto =

|image_skyline = Irwin Post Office, 43029.jpg

|imagesize = 250px

|image_caption = Post office

|image_flag =

|image_seal =

|image_map = OHMap-doton-Irwin.png

|mapsize = 250px

|map_caption = Location of Irwin, Ohio

|image_map1 =

|mapsize1 =

|map_caption1 =

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Ohio

|subdivision_type2 = Counties

|subdivision_name2 = Union

|government_footnotes =

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|unit_pref = Imperial

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|timezone = Eastern (EST)

|utc_offset = -5

|timezone_DST = EDT

|utc_offset_DST = -4

|elevation_footnotes =

|elevation_ft = 1011

|coordinates = {{coord|40|07|21|N|83|29|22|W|region:US-OH|display=inline}}

|postal_code_type = ZIP code

|postal_code = 43029[https://tools.usps.com/zip-code-lookup.htm?citybyzipcode USPS – Cities by ZIP Code]

|area_code = 614

|blank_name = GNIS feature ID

|blank_info = 1064891{{GNIS|1064891}}

|blank1_name =

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}}

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.Rand McNally, The Road Atlas '06, Chicago, 2006, p. 78 Irwin has a post office which serves the surrounding area, including the community of Rosedale.