Petersburg, St. Clair County
Explore Petersburg, Illinois, with this interactive street and satellite map. You can “grab” the Petersburg, 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.
Map search is available for a limited number of queries per session to manage costs. Be specific — search precisely for best results.
| City | Petersburg |
| State | Illinois (IL) |
| County | St. Clair |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.592272 |
| Longitude | -89.921213 |
| Density | N/A /km² |
| Incorporated | N/A |
| ZIP Code(s) | 62466, 62269, 62675 |
| Area Code | 217 |
| County Seat | Belleville |
| School District | Porta Community Unit School District 202 |
Petersburg is a locality in St. Clair County, Illinois, United States. Petersburg is located at 38.5923°N, 89.9212°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 62675.
Petersburg, a quiet sentinel in the heart of the county, unfolds itself across a landscape shaped by the slow, deliberate march of glaciers and the persistent caress of the prairie wind. Rolling hills, softened by time and cultivation, give way to fertile bottomlands that hint at the presence of unseen waterways, their courses suggested by the richer green of the vegetation. The air here, particularly in the hush of late afternoon, carries a subtle sweetness, a blend of sun-baked earth and the distant, fragrant breath of ripening corn. Oak and hickory trees, their branches reaching with a venerable grace, punctuate the fields, offering shade and a sense of enduring resilience. The sky above Petersburg is vast, an ever-changing canvas that can shift from the piercing blue of a summer day to the bruised purples and oranges of a storm-laden evening, imbuing the very character of the place with a quiet, elemental drama. The story of Petersburg is deeply intertwined with the agricultural rhythms of its land, a heritage that continues to define its local economy. For generations, the rich soil has yielded bountiful harvests, with corn and soybeans standing as proud testaments to the enduring connection between the people and their earth. Whispers of its past are carried on the breeze, stories of early settlers who carved their lives from this open country, their endeavors echoing in the sturdy, unpretentious architecture that lines the main thoroughfares. While modern life has brought its conveniences, the pace of Petersburg remains one of thoughtful deliberation, a reflection of the patient cultivation that has always been its hallmark. The nearby river, though not always visible, exerts a subtle influence, shaping the terrain and providing a vital artery for the region's lifeblood, a constant reminder of the natural forces that have both shaped and sustained Petersburg.
Loading news…
Loading news-world…
Loading news-world…
This page provides an embedded street and satellite map of Petersburg, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.592272, -89.921213. 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 Petersburg and St. Clair County.
Detailed location data for Petersburg includes the ZIP code (62466), telephone area code (217), county seat of St. Clair County (Belleville), and school district assignment (Porta Community Unit School District 202). 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 Petersburg 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. |