Explore Spring Bay, Illinois, with this interactive street and satellite map.
| City | Spring Bay |
| State | Illinois (IL) |
| County | Woodford County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 40.824481 |
| Longitude | -89.522315 |
| Population | 474 |
| Density | 268.0 /km² |
| Incorporated | Yes |
| ZIP Code | 61611 |
| Area Code | 815 |
| County Seat | Eureka |
| School District | County of Woodford School |
Spring Bay holds its place upon the flat, expansive reach of the Illinois River valley where the ground remains tethered to the slow, deliberate pulse of the Midwest. It lies 9.7 miles north-northeast of Peoria, IL (from Peoria, IL: bearing 21°T), and is situated 7.0 miles south-southwest of Chillicothe. The Blue Creek carves a narrow, winding path through the soil, offering a quiet, constant presence that dictates the movement of the local terrain before merging into the expansive, still waters of Upper Peoria Lake. Beyond the immediate banks, the landscape stretches toward the horizon in a vast mosaic of fertile earth, while the distant, hazy silhouette of Hoxie Ridge provides the only true verticality against an otherwise unbroken sky. In the cool hours of the morning, the light catches the moisture rising from the low-lying fields, turning the air a pale, translucent silver that seems to suspend the world in a momentary, breathless silence.
Spring Bay developed as a modest point of transit and industry, shaped by the practical needs of those who worked the surrounding plains and navigated the interior waterways. The Fon du Lac Park District provides a vital commons for the residents, serving as a social anchor that balances the heavy, systematic labor of the regional agricultural economy. Nearby, the presence of Strawberry Hollow and the protected timber of the Spring Branch State Conservation Area preserve a sense of the wilder, uncultivated Illinois that existed long before the current grid of roads took hold. Life in Spring Bay maintains a gravity of its own, defined by the seasonal rhythms of the harvest and the steady, quiet maintenance of homes built of brick and timber, standing firm against the wide, uncompromising winds that sweep across the prairie.
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This page provides an embedded street and satellite map of Spring Bay, Illinois. Coordinates: 40.824481, -89.522315. 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 Spring Bay includes the ZIP code (61611), telephone area code (815), county seat of Woodford County (Eureka), and school district assignment (County of Woodford School).
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. |