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St. Mary Missouri Map

Explore St. Mary, Missouri, 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. Mary, Missouri

How to Use This St. Mary, Missouri Map

This interactive map shows the street layout and satellite imagery for St. Mary, Missouri. 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 Missouri 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. Mary.

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. Mary
State	Missouri (MO)
County	Ste. Genevieve County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	37.878942
Longitude	-89.949277
Population	309
Density	199.2 /km²
Incorporated	Yes
ZIP Code	63673
Area Code	816
County Seat	Ste. Genevieve
School District	Ste. Genevieve County R-II School District

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

About St. Mary, Missouri

St. Mary is a locality in Ste. Genevieve County, Missouri, United States. It is a small community with a population of 309. The population density is 199.2 people per km². St. Mary is located at 37.8789°N, 89.9493°W. It observes the Central Time (America/Chicago) timezone. St. Mary is an incorporated locality. ZIP code: 63673.

St. Mary unfolds along the banks where the Old River carves a deliberate, silt-heavy path through the Missouri landscape. It lies 26.7 miles east-northeast of Farmington, MO (from Farmington, MO: bearing 75°T), and is situated 7.3 miles west-southwest of Chester. The terrain surrounding St. Mary defines itself by the low, alluvial plains that stretch toward the horizon, punctuated by the distant, hazy silhouette of Lick Hill rising four miles to the west. Here, the air carries a heavy, fertile dampness, and the light at dusk takes on a bruised, amber quality that seems to cling to the tall grasses and the dense, unruly thickets of the Middle Mississippi River National Wildlife Refuge. This refuge acts as a silent guardian of the local ecosystem, preserving a wilder, untamed version of the floodplain that contrasts sharply with the nearby fields.

St. Mary holds a quiet persistence in its history, reflecting the pragmatic character of an inland settlement shaped by the flow of the Old River. The local economy remains tethered to the rhythm of the soil and the legacy of agricultural industry, where the pace of labor is dictated by the seasonal shift rather than the frantic ticking of a clock. Beyond the immediate fields, the landscape occasionally dips into the rugged, shadowed terrain of Opossum Hollow, providing a stark topographical counterpoint to the flat expanse of the river valley. While the more dramatic waters of Johnson Shut-Ins lie many miles to the south and the quiet surface of Saint Marys Lake rests eleven miles distant, St. Mary finds its own distinct identity in the steady, patient movement of the water past its doorstep.

Nearby Outdoor Places

Middle Mississippi River National Wildlife Refuge (National Wildlife Refuge) — 0.1 mi, 020° N · 16k acres
Mississippi River - Mudds Landing (Conservation Area) — 4.6 mi, 043° NE
Chester Community Golf Club (Local Recreation) — 6.1 mi, 050° NE
Kaskaskia River State Fish and Wildlife Area (State Conservation Area) — 6.4 mi, 000° N
Chester Country Club (Local Recreation) — 6.7 mi, 060° NE
Turkey Bluffs State Fish and Wildlife Area (State Conservation Area) — 8.4 mi, 088° E
Center for French Colonial Life (Museum) — 8.6 mi, 323° NW
Vietnam Veterans Memorial (Monument) — 9.3 mi, 155° SE
Mark Twain National Forest (National Forest) — 11.4 mi, 223° SW · 1.5M acres
Perry Park Center (Cinema) — 11.9 mi, 154° SE
Hawn State Park (State Park) — 13.9 mi, 258° W
Modoc Rock Shelter National Historic Site (Historic Ruins) — 14.2 mi, 334° NW
Shawnee National Forest (National Forest) — 15.9 mi, 095° E · 274k acres
Swayne Hollow SNA (Nature Reserve) — 16.4 mi, 087° E
Mill Creek Natural Area (Nature Reserve) — 16.4 mi, 086° E
Pyroglyphics (Public Artwork) — 17.1 mi, 086° E
Misselhorn Art Museum (Museum) — 21.2 mi, 038° NE
Pyramid State Recreation Area (State Park) — 22.3 mi, 066° NE
Showtime Cinemas 6 (Cinema) — 22.4 mi, 036° NE
Red Bud Area Museum (Museum) — 23.1 mi, 354° N
Council Ring (Theatre) — 26.4 mi, 234° SW
Huck's Cove (Theme Park) — 26.8 mi, 231° SW
Old Time Flea Market (Attraction) — 27.7 mi, 260° W
Fine Arts Theater (Theatre) — 29.1 mi, 266° W
Main Lookout (Viewpoint) — 32.5 mi, 114° SE
Bonne Terre Mine (Museum) — 33.0 mi, 275° W
Clear Springs Wilderness (Wilderness Area) — 33.7 mi, 124° SE · 4,739 acres
Miranda's Loom Fine Craft Studio & Gallery (Gallery) — 34.3 mi, 103° E
Bald Knob Wilderness (Wilderness Area) — 36.5 mi, 123° SE · 5,830 acres
Pomona Natural Bridge (Attraction) — 36.7 mi, 116° SE

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