ZIP Code 43029
About Irwin
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. Irwin has a post office which serves the surrounding area, including the community of Rosedale.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
524
population
$105,954
median household income
22
people / sq mi
$241,700
median home value
33.6
median age
177
housing units
177
households
23.4
land area (sq mi)