St. Marys Ohio Map

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.

About This St. Marys Map Page

This page provides an embedded street and satellite map of St. Marys, Ohio — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.54227, -84.389396. 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.

Detailed location data for St. Marys includes the ZIP code (45885), telephone area code (234, 330), county seat of Auglaize County (Wapakoneta), and school district assignment (St. Marys City 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. Marys is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.