St. Marys Ohio Map
St. Marys, Ohio — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of St. Marys, Auglaize County.
Interactive Map of St. Marys, Ohio
| City | St. Marys |
| State | Ohio (OH) |
| County | Auglaize |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.54227 |
| Longitude | -84.389396 |
| Population | 8,301 |
| Density | 687.5 /km² |
| Incorporated | N/A |
About St. Marys, Ohio
St. Marys is a locality in Auglaize County, Ohio, United States. It has a population of approximately 8,301. The population density is 687.5 people per km². St. Marys is located at 40.5423°N, 84.3894°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 45885.
St. Marys exhales a quiet, Midwestern breath, its landscape a gentle conversation between fertile fields and the subtle embrace of water. It lies 20.3 miles south-west of Lima, OH (from Lima, OH: bearing 227°T), and is situated 9.5 miles east of Celina. Rolling farmland, etched with the straight lines of cultivation, gives way to the more sinuous curves of the Auglaize River and the expansive shimmer of Grand Lake St. Marys. The air here, particularly as the sun begins its slow descent, carries a damp, earthy scent, mingling with the distant hum of tractors and the sharp, sweet perfume of newly mown grass. The houses, many with wide porches and mature trees casting dappled shade, seem to settle comfortably into the land, their brick and clapboard weathered by decades of sun and snow. The history of St. Marys is deeply entwined with the water that defines it, from its early days as a port on the Miami and Erie Canal to its present-day status as a vibrant hub for recreational boating on Grand Lake. This vast, man-made lake, once a vital artery for commerce, now draws visitors and residents alike with its beaches and opportunities for fishing and watersports, infusing the local economy with a lively summer spirit. The town’s industrial past, marked by manufacturing and agriculture, still echoes in the sturdy architecture and the enduring work ethic of its people, a blend of practicality and a deep-rooted connection to the soil and the surrounding waterways. St. Marys carries the grace of a place that understands the ebb and flow of seasons, a rhythm dictated as much by the agricultural cycle as by the lapping of waves against the shore.
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About This St. Marys Map Page
This page provides an interactive Google map of St. Marys, Ohio with street, satellite and terrain views and integrated Street View imagery. 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. Marys and Auglaize County. Coordinates and population data are also included.
Location data for St. Marys is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity, not name matching alone — ensuring the correct St. Marys is identified even where the name is shared across multiple counties or states.
| 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. |
