Explore St. Martin, Ohio, with this interactive street and satellite map. You can “grab” the St. Martin, 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.
Map search is available for a limited number of queries per session to manage costs. Be specific — search precisely for best results.
| City | St. Martin |
| State | Ohio (OH) |
| County | Brown |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.214507 |
| Longitude | -83.893262 |
| Population | 171 |
| Density | 26.5 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 45142 |
| Area Code | 513 |
| County Seat | Georgetown |
| School District | Fayetteville-Perry Local School District |
St. Martin is a locality in Brown County, Ohio, United States. It is a small community with a population of 171. The population density is 26.5 people per km². St. Martin is located at 39.2145°N, 83.8933°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 45142.
St. Martin exhales a quiet breath of rolling Ohio farmland, a place where the contours of the land remember the slow march of glaciers and the patient work of generations. It lies 18.3 miles east-south-east of Hamilton Township Warren County, OH (from Hamilton Township Warren County, OH: bearing 114°T), and is situated 7.5 miles south-east of Blanchester. Here, the landscape unfurls in gentle swells of green and gold, punctuated by the deeper shadows of woodlands that cling to the ravines. The air itself seems to carry the scent of damp earth and ripening corn, a subtle perfume that shifts with the seasons. Sunlight, when it breaks through the often-overcast skies, has a peculiar softness, bathing the scattered farmsteads and the sleepy village in a diffused, almost pearlescent glow. The roads, ribboning through this terrain, are more than just asphalt; they are arteries of quiet existence, carrying the occasional tractor or pickup truck, their occupants familiar faces in a world that moves at its own deliberate pace. The story of St. Martin is etched into the very soil, a legacy of agricultural resilience and a deep-seated connection to the land that has sustained its people for over a century. This corner of Brown County, shaped by the persistent labor of farmers, has seen its fortunes ebb and flow with the price of grain and the whims of weather, a testament to the enduring spirit of those who call it home. While large industries are absent, the local economy is a mosaic of small enterprises, family farms, and the quiet hum of businesses serving the immediate needs of the community. There are no grand monuments here, no bustling tourist attractions, but a quiet dignity resides in the weathered barns, the sturdy farmhouses, and the simple, unpretentious church that anchors the village. The very character of St. Martin is one of understated endurance, a place where the rhythm of life is dictated by the turning of the earth and the cycles of nature, a gentle echo of a simpler time.
Loading news…
Loading news-world…
Loading news-world…
This page provides an embedded street and satellite map of St. Martin, Ohio — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.214507, -83.893262. 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 St. Martin and Brown County.
Detailed location data for St. Martin includes the ZIP code (45142), telephone area code (513), county seat of Brown County (Georgetown), and school district assignment (Fayetteville-Perry Local School District). 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 St. Martin is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 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. |