Explore Sumner, Missouri, with this interactive street and satellite map.
| City | Sumner |
| State | Missouri (MO) |
| County | Chariton County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 39.652524 |
| Longitude | -93.24465 |
| Population | 78 |
| Density | 133.3 /km² |
| Incorporated | Yes |
| ZIP Code | 64681 |
| Area Code | 816 |
| County Seat | Keytesville |
| School District | Northwestern R-I School District |
Sumner occupies a quiet expanse of flat, fertile earth where the horizon stretches wide under a vast, unencumbered sky. It lies 36.7 miles north of Marshall, MO (from Marshall, MO: bearing 356°T), and is situated 19.1 miles east-southeast of Chillicothe. The landscape is defined by the steady presence of Stanley Lake, which mirrors the changing colors of the seasons, while the nearby Tough Branch marks the slow passage of water through the fields. In the distance, the silhouette of Stokes Mound provides the only significant break in the horizon, anchoring the otherwise level prairie. During the golden hour, the low sun casts long, amber shadows across the fields, lending the moisture-rich air a clarity that makes every stalk of grain appear sharply etched against the fading light.
Sumner remains deeply connected to the rhythm of the soil, as agriculture serves as the primary pulse of the local economy. The proximity of the Swan Lake National Wildlife Refuge brings a stillness to the region, acting as a sanctuary for migratory birds that fill the air with the sound of beating wings each autumn. Those who walk the Swan Lake National Wildlife Refuge Habitat Trail often find the silence of the plains to be a profound, almost tangible presence. This reliance on the land fosters a plain-spoken character among the residents, a legacy of generations who have learned to read the weather and the crops with instinctive precision.
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This page provides an embedded street and satellite map of Sumner, Missouri. Coordinates: 39.652524, -93.24465. 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 Sumner includes the ZIP code (64681), telephone area code (816), county seat of Chariton County (Keytesville), and school district assignment (Northwestern R-I 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. |