Rosemont, St. Clair County
Explore Rosemont, Illinois, with this interactive street and satellite map. You can “grab” the Rosemont, IL street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Rosemont |
| State | Illinois (IL) |
| County | St. Clair |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.626995 |
| Longitude | -90.09733 |
| Density | N/A /km² |
| Incorporated | N/A |
| ZIP Code(s) | 62204, 60018 |
| Area Code | 217, 312, 773 |
| County Seat | Belleville |
| School District | Leyden Community High School District 212 |
Rosemont is a locality in St. Clair County, Illinois, United States. Rosemont is located at 38.6270°N, 90.0973°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 60018.
Rosemont unfolds across a landscape shaped by the patient hand of the Mississippi River’s tributaries. It lies 2.9 miles east of East Saint Louis, IL (from East Saint Louis, IL: bearing 87°T), and is situated 5.4 miles east of St. Louis. Gentle slopes, cloaked in a verdant tapestry of deciduous trees, descend towards the meandering waterways that define the region’s hydrology. The air here carries the damp, fertile scent of rich soil, a fragrance that deepens with the coming of twilight when the western sky bleeds into hues of bruised plum and soft amber. Sunlight, when it breaks through the canopy, casts a dappled, almost liquid light upon the undergrowth, revealing the subtle textures of moss-covered stones and the sturdy resilience of wild flora. The land itself seems to breathe, a quiet exhalation of green and brown under the vast, ever-shifting Illinois sky. The history of Rosemont is a story whispered by the land and the industry that once thrived here. For generations, the fertile ground supported agriculture, its fields yielding crops that fed the nation, a legacy still evident in the quiet hum of farm equipment during harvest season. Echoes of a more industrial past can be found in the weathered remnants of structures that once supported the extraction and processing of local resources, their skeletal forms a stoic reminder of bygone endeavors. Though the primary economic drivers have evolved, a sense of enduring community persists, a quiet testament to the resilience of its people. The rhythm of life in Rosemont is measured, not by the hurried pulse of a metropolis, but by the slow, deliberate turning of the seasons and the steady flow of the nearby creeks.
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This page provides an embedded street and satellite map of Rosemont, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.626995, -90.09733. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Rosemont and St. Clair County.
Detailed location data for Rosemont includes the ZIP code (62204), telephone area code (217, 312, 773), county seat of St. Clair County (Belleville), and school district assignment (Leyden Community High School District 212). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Rosemont is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 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. Location verified by proximity — not name matching alone. |