Explore Saint Mary, Missouri, with this interactive street and satellite map.
| City | Saint 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 | 380 |
| Density | 18.0 /km² |
| Incorporated | N/A |
| ZIP Code | 63673 |
| Area Code | 816 |
| County Seat | Ste. Genevieve |
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.
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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.
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 generated | August 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. |