Explore Petersburg, Illinois, with this interactive street and satellite map.
| City | Petersburg |
| State | Illinois (IL) |
| County | St. Clair County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 40.014288 |
| Longitude | -89.845331 |
| Population | 2,258 |
| Density | 558.1 /km² |
| Incorporated | Yes |
| ZIP Codes | 62466, 62269, 62675 |
| Area Code | 217 |
| County Seat | Belleville |
| School District | Porta Community Unit School District 202 |
Petersburg holds a quiet gravity, anchored by the persistent, winding currents of Engle Creek as it carves a path through the midwestern soil. It lies 20.0 miles north of Glasgow, KY (from Glasgow, KY: bearing 2°T), and is situated 7.3 miles north of Horse Cave. Beyond the immediate bank, the landscape stretches toward the distant, hazy silhouette of Pleasant Ridge, while the nearby expanse of Ridge Prairie offers an open, wind-swept horizon that dictates the scale of the sky. At the edge of the residential grid, Rohr Park provides a verdant stillness, and the water of Fairwood Lake catches the deepening amber of the afternoon sun, reflecting a calm that seems to settle into the very architecture of the streetscape.
Petersburg carries the weight of a frontier history in the limestone foundations of its older structures, where the echoes of nineteenth-century trade still linger in the storefronts. The local economy remains tethered to the rhythmic cycles of the surrounding fields, a life defined by the harvest and the slow, deliberate turn of the seasons. There is a perceptible dignity in the way Petersburg maintains its character, balancing the legacy of its past with the practical, unadorned work of the present day. Even as the modern world encroaches, the prevailing atmosphere remains one of measured endurance, where the quality of light at dusk reveals a town that exists in comfortable alignment with the plains that surround it.
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This page provides an embedded street and satellite map of Petersburg, Illinois. Coordinates: 40.014288, -89.845331. 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 Petersburg includes the ZIP code (62466, 62269, 62675), telephone area code (217), county seat of St. Clair County (Belleville), and school district assignment (Porta 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. |