Explore St. Elmo, Illinois, with this interactive street and satellite map.
| City | St. Elmo |
| State | Illinois (IL) |
| County | Fayette County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 39.027266 |
| Longitude | -88.848114 |
| Population | 1,254 |
| Density | 326.5 /km² |
| Incorporated | Yes |
| ZIP Code | 62458 |
| Area Code | 217 |
| County Seat | Vandalia |
| School District | St. Elmo Community Unit School District 202 |
St. Elmo rises from the flat, expansive horizon of central Illinois, where the sky claims more territory than the earth itself. It lies 17.6 miles west-southwest of Effingham, IL (from Effingham, IL: bearing 249°T), and is situated 5.9 miles west-southwest of Altamont. The landscape is defined by the steady, rhythmic geometry of agriculture, where soybean fields and corn rows stretch toward a line of trees marking the path of Brickyard Branch. To the east, the terrain remains largely level, though the faint, hazy suggestion of Corley Ridge hums at the very edge of the traveler’s perception. Within the quiet perimeter of Community Park, the air holds a stillness that deepens as the sun dips low, casting long, amber shadows across the grass. Only a mile away, the surface of the Saint Elmo Old City Reservoir offers a glass-like mirror to the clouds, its stillness broken only by the occasional ripple of a wandering breeze.
St. Elmo carries the weight of a history rooted in the extraction of subterranean wealth, having once served as a significant center for the oil industry that punctuated the regional economy with steel derricks and the steady rhythm of pump jacks. These industrial skeletons have largely faded, leaving behind the solid, brick-and-mortar character of a settlement that grew alongside the steady expansion of the railroad. The daily life of St. Elmo proceeds with a deliberate, unadorned pace, characterized by the hum of machinery and the quiet commerce of a place that values its own internal gravity. Whether tending to the land or managing the small-scale enterprises that keep the local pulse steady, the people here maintain a connection to the soil that feels as enduring as the prairie itself.
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This page provides an embedded street and satellite map of St. Elmo, Illinois. Coordinates: 39.027266, -88.848114. 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 St. Elmo includes the ZIP code (62458), telephone area code (217), county seat of Fayette County (Vandalia), and school district assignment (St. Elmo Community Unit School District 202).
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. |