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St. Marys Ohio Map

Explore St. Marys, Ohio, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of St. Marys, Ohio

How to Use This St. Marys, Ohio Map

This interactive map shows the street layout and satellite imagery for St. Marys, Ohio. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Ohio or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to St. Marys.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	St. Marys
State	Ohio (OH)
County	Auglaize County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	40.54227
Longitude	-84.389396
Population	8,397
Density	694.5 /km²
Incorporated	Yes
ZIP Code	45885
Area Code	234, 330
County Seat	Wapakoneta
School District	St. Marys City School District

🌦 Goto St. Marys Weather Page: St. Marys, Ohio — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About St. Marys, Ohio

St. Marys is a locality in Auglaize County, Ohio, United States. It has a population of approximately 8,397. The population density is 694.5 people per km². St. Marys is located at 40.5423°N, 84.3894°W. It observes the Eastern Time (America/New_York) timezone. St. Marys is an incorporated locality. ZIP code: 45885.

St. Marys commands a steady presence amidst the flat, fertile plains of western Ohio where the horizon stretches wide and unobstructed. It lies 9.5 miles east of Celina, OH (from Celina, OH: bearing 93°T), and is situated 7.3 miles north of New Bremen. The Saint Marys River carves a deliberate path through the landscape, acting as a constant, quiet companion to the streets and structures that have risen along its banks. Only a mile away, the expansive waters of Grand Lake mirror the shifting sky, providing a broad, reflective surface that anchors the surrounding terrain. Residents often find that the land here possesses a grounded, deliberate quality, especially when the evening light flattens the fields into shades of deep amber and gold. Kiwanis Park provides a local sanctuary where the earth remains undisturbed, offering a direct connection to the natural geography of the region.

St. Marys maintains an industrial legacy that remains tied to the ingenuity and labor of those who settled these interior reaches long ago. The local economy has historically drawn its strength from manufacturing, with factories and workshops forming the backbone of a workforce that values precision and endurance. These industries have evolved over generations, shifting in focus but consistently providing a stable foundation for the people living in the vicinity of the Saint Marys River. The hum of machinery and the steady rhythm of the workday contribute to a local character defined by craftsmanship and a pragmatic approach to progress. Farmland surrounds the industrial core, ensuring that the cycles of planting and harvest remain a quiet but vital influence on the pace of life.

St. Marys fosters a cultural character defined by a sturdy, unpretentious spirit that prizes community and shared history. Local life often centers on the landmarks that have stood the test of time, grounding the residents in a common identity that feels both enduring and authentic. Events held throughout the year bring neighbors together in public spaces, reinforcing social bonds that have been forged over many decades. While the town remains quiet, it has seen the emergence of individuals who have achieved wider recognition, such as the influential architect Frank Packard, whose designs left a mark on the broader region. Whether gathering for seasonal festivities or simply navigating the daily routines of a midwestern locale, the people carry themselves with a sense of quiet purpose that reflects the stability of the land.

Nearby Outdoor Places

Ohio Army National Guard Monument (Monument) — 0.2 mi, 079° E
Kiwanis Park (Local Park) — 0.3 mi, 106° E
Unknown Park (Local Park) — 0.7 mi, 296° NW
Special Agent Michael J. Lynch (Monument) — 0.7 mi, 067° NE
Grand Lake St Marys State Park (State Park) — 1.4 mi, 269° W
Miami and Erie Canal Lock 8 (Historic Ruins) — 2.6 mi, 159° S
Lock Number 14 (Historic Ruins) — 4.2 mi, 014° N
Little Chickasaw Fishing Access (State Recreation Area) — 4.3 mi, 234° SW
Northmoor Country Club and Golf Course (Park) — 4.5 mi, 274° W
Franklin Township Greenway Expansion - Phase I (Local Conservation Area) — 7.1 mi, 251° W
New Bremen Historical Museum (Museum) — 7.2 mi, 177° S
Bicycle Museum of America (Museum) — 7.3 mi, 176° S
The Mystery Stone (Public Artwork) — 9.0 mi, 049° NE
White Feather's Town (Monument) — 9.0 mi, 049° NE
Mercer Wildlife Area (State Conservation Area) — 9.2 mi, 254° W
Auglaize County Fairgrounds (Local Recreation) — 9.3 mi, 080° E
Mercer County Fairgrounds (Local Recreation) — 10.1 mi, 273° W
Riverside Art Center (Gallery) — 10.4 mi, 079° E
Lake Loramie State Park (State Park) — 10.5 mi, 171° S
Kendrick Woods Nature Preserve (State Conservation Area) — 14.1 mi, 014° N
Regal Cinemas 12 (Cinema) — 18.2 mi, 042° NE
Nickel Plate 779 (Attraction) — 20.8 mi, 049° NE
Clark Gallery (Gallery) — 31.1 mi, 195° S
Elzay Gallery of Art (Gallery) — 33.4 mi, 062° NE
Newton Nature Lab (Nature Reserve) — 33.7 mi, 176° S
Shortest Street in America (Attraction) — 35.2 mi, 111° E
Shannon Theater (Cinema) — 35.6 mi, 047° NE
Logan County Historical Society Museum (Museum) — 35.8 mi, 110° E
APAC Arbogast Performing Arts Center (Arts Centre) — 35.9 mi, 166° S

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