Explore St. Augustine, Illinois, with this interactive street and satellite map. You can “grab” the St. Augustine, 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 | St. Augustine |
| State | Illinois (IL) |
| County | Knox |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 40.718373 |
| Longitude | -90.410962 |
| Population | 92 |
| Density | 80.1 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 61474 |
| Area Code | 815 |
| County Seat | Galesburg |
| School District | Abingdon-Avon Community Unit School District 276 |
St. Augustine is a locality in Knox County, Illinois, United States. It is a small community with a population of 92. The population density is 80.1 people per km². St. Augustine is located at 40.7184°N, 90.4110°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61474.
St. Augustine rests in a landscape of quiet, rolling fields, a place where the horizon seems to stretch on forever. It lies 16.0 miles south of Galesburg, IL (from Galesburg, IL: bearing 187°T), and is situated 6.0 miles south of Abingdon. The terrain here is a gentle swell of fertile earth, cradling farmsteads and the modest collection of buildings that make up the heart of St. Augustine. The air often carries the scent of freshly tilled soil or, in the late summer, the sweet perfume of ripening corn, a testament to the agricultural soul of this region. Sunlight, when it breaks through the vast prairie sky, often casts a soft, golden hue across the land, a light that seems to linger, imbuing the scene with a sense of enduring peace. This corner of Knox County has long been tied to the land, its history rooted in the perseverance of settlers who carved a life from the prairie soil. The local economy still largely revolves around agriculture, with corn and soybeans dominating the cultivated fields that surround St. Augustine. While the railroad once played a more significant role in connecting St. Augustine to larger markets, its presence, though diminished, whispers of a past when goods and people moved with greater urgency. The distinctive character of St. Augustine lies in its unassuming nature, a place where neighbors know each other's names and the rhythm of life is dictated by the seasons and the needs of the harvest, a quiet existence unfolding under the wide Illinois sky.
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This page provides an embedded street and satellite map of St. Augustine, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.718373, -90.410962. 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 St. Augustine and Knox County.
Detailed location data for St. Augustine includes the ZIP code (61474), telephone area code (815), county seat of Knox County (Galesburg), and school district assignment (Abingdon-Avon Community Unit School District 276). 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 St. Augustine 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. |