Explore Irwin, Ohio, with this interactive street and satellite map. You can “grab” the Irwin, OH street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
| City | Irwin |
| State | Ohio (OH) |
| County | Union |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.122559 |
| Longitude | -83.489368 |
| Population | 480 |
| Density | 18.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 43029 |
| Area Code | 614 |
| County Seat | Marysville |
Irwin is a locality in Union County, Ohio, United States. It is a small community with a population of 480. The population density is 18.0 people per km². Irwin is located at 40.1226°N, 83.4894°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 43029.
Irwin rests in a landscape shaped by the slow, deliberate work of water and time, where broad fields of corn and soybeans stretch towards a horizon often softened by a haze of summer heat or the muted glow of distant farm lights. It lies 10.2 miles south-west of Marysville, OH (from Marysville, OH: bearing 219°T), and is situated 8.0 miles south of Allen Township. The land here is a study in gentle swells, the terrain rolling with a subtle grace that hints at the underlying glacial history, its contours smoothed by millennia of wind and rain. A quiet stillness often pervades the air, broken only by the drone of a distant tractor or the rustle of leaves in the mature oak trees that stand sentinel along property lines and in scattered woodlots. The quality of light in the late afternoon, a buttery wash across the cultivated earth, lends a particular, almost sacred, beauty to the everyday. The story of Irwin is one of agriculture, a lineage stretching back to the first settlers who saw potential in the fertile Union County soil. Early farming operations, driven by a robust work ethic, laid the foundation for the local economy, which continues to be deeply rooted in the cultivation of the land. While the broader agricultural sector has evolved, the spirit of that early endeavor remains, a quiet persistence evident in the well-maintained farmsteads and the consistent yield of the fields. The presence of nearby small industries, often linked to processing or supporting the agricultural base, contributes to the steady, if unhurried, pulse of life in Irwin, a place where the past is not so much a relic as a living presence, informing the present.
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This page provides an embedded street and satellite map of Irwin, Ohio — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.122559, -83.489368. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Irwin and Union County.
Detailed location data for Irwin includes the ZIP code (43029), telephone area code (614), county seat of Union County (Marysville), and school district assignment. These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Irwin is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |