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Saint Mary Missouri Map

Explore Saint 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 Saint Mary, Missouri

How to Use This Saint Mary, Missouri Map

This interactive map shows the street layout and satellite imagery for Saint 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 Saint 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.

CitySaint Mary
StateMissouri (MO)
CountySte. Genevieve County
CountryUnited States of America
TimezoneCentral Time (America/Chicago)
Latitude37.878942
Longitude-89.949277
Population380
Density18.0 /km²
IncorporatedN/A
ZIP Code63673
Area Code816
County SeatSte. Genevieve

About Saint Mary, Missouri

Saint Mary is a locality in Ste. Genevieve County, Missouri, United States. It is a small community with a population of 380. The population density is 18.0 people per km². Saint Mary is located at 37.8789°N, 89.9493°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63673.

Saint Mary draws its character from the slow, deliberate pulse of the Old River that carves a path directly past its quiet borders. 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 landscape here is defined by the alluvial bottomlands and the firm, earth-bound reality of the Midwest, where the horizon is defined not by peaks, but by the low, distant silhouette of Lick Hill to the west. Within the Middle Mississippi River National Wildlife Refuge, the terrain retains a wild, damp complexity, favoring the growth of dense timber and the seasonal migrations of birds that darken the sky in autumn. The light at dusk settles heavily over the fields, turning the soil a deep, bruised purple and lending the air a metallic, humid weight that speaks to the constant presence of the water nearby.

Saint Mary maintains a modest, industrious rhythm that has persisted since its earliest days of settlement, rooted in the labor of those who worked the river and the surrounding fertile plains. While the distant Opossum Hollow holds the secrets of the deeper interior, the local economy remains tethered to the land and the transit of goods through this corridor of the heartland. There is a particular, unadorned honesty in the architecture of the streets, where the structures reflect a pragmatic necessity rather than ornamentation. On quiet afternoons, one can sense the lingering influence of the early settlers who recognized the inherent value of this proximity to the Old River, shaping a life that moves in sync with the changing seasons and the quiet, steady persistence of the regional landscape.

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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About This Saint Mary Map Page

This page provides an embedded street and satellite map of Saint Mary, Missouri. Coordinates: 37.878942, -89.949277. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for Saint Mary includes the ZIP code (63673), telephone area code (816), county seat of Ste. Genevieve County (Ste. Genevieve), and school district assignment.

Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.

Page generatedSeptember 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Map layersGoogle Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model)
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API.