Explore Old Monroe, Missouri, with this interactive street and satellite map.
| City | Old Monroe |
| State | Missouri (MO) |
| County | Lincoln County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.931718 |
| Longitude | -90.746792 |
| Population | 249 |
| Density | 392.4 /km² |
| Incorporated | Yes |
| ZIP Code | 63369 |
| Area Code | 314 |
| County Seat | Troy |
| School District | Winfield R-IV School District |
Old Monroe emerges from the flat expanse of the Mississippi floodplain, where the Cuivre River carves a slow, deliberate path through the heavy, dark soil. It lies 8.7 miles north-northwest of OFallon, MO (from OFallon, MO: bearing 343°T), and is situated 8.7 miles north-northwest of O'Fallon. The landscape maintains a quiet, persistent tension between the cultivated fields that stretch toward the horizon and the untamed brush that gathers along the riverbanks, where the light at dusk turns the humid air into a thick, golden syrup. To the west, the distant, hazy silhouette of Cap Au Gris provides the only vertical interruption to a skyline dominated by grain silos and the vast, unobstructed reach of the Missouri sky. Travelers passing through might notice how the water of Horseshoe Lake sits perfectly still in the quietude, reflecting the changing colors of the seasons without a ripple to disturb the surface.
Old Monroe carries the weight of an agricultural heritage that once relied heavily on the fertile silt deposited by the seasonal flooding of the nearby waterways. The local economy remains tethered to the land, maintaining a steady, plain-spoken pace that values the harvest and the maintenance of the homestead over the frantic pace of the nearby urban centers. Beyond the immediate reach of the fields, the Cuivre Island Conservation Area preserves a fragment of the wilder, riparian environment that once defined this entire basin. Deep in the quietude of Bond Hollow, the land retains an older, more solitary character, far removed from the bustle of the rail lines and the small-town rhythm that dictates the morning commute.
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This page provides an embedded street and satellite map of Old Monroe, Missouri. Coordinates: 38.931718, -90.746792. 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 Old Monroe includes the ZIP code (63369), telephone area code (314), county seat of Lincoln County (Troy), and school district assignment (Winfield R-IV School District).
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. |