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| City | Shannon |
| State | Illinois (IL) |
| County | Carroll |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 42.154746 |
| Longitude | -89.739839 |
| Population | 772 |
| Density | 618.3 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 61078 |
| Area Code | 847, 224 |
| County Seat | Mount Carroll |
| School District | Eastland Community Unit School District 308 |
Shannon is a locality in Carroll County, Illinois, United States. It is a small community with a population of 772. The population density is 618.3 people per km². Shannon is located at 42.1547°N, 89.7398°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61078.
Shannon breathes the wide, open sky of northwestern Illinois, a place where the land rolls with a gentle, persistent generosity. It lies 33.3 miles south of Green, WI (from Green, WI: bearing 190°T), and is situated 6.0 miles north-east of Lanark. Fields of corn and soybeans stretch to horizons that seem to curve with the earth itself, their emerald and gold hues shifting with the passage of the sun. The air here, especially in the early morning, carries a crisp, clean scent of damp soil and growing things, a subtle perfume that clings to the skin. Dusk often paints the western sky in broad strokes of rose and lavender, bleeding into the deep indigo of approaching night, a quiet spectacle that marks the end of each day. The terrain, a soft topography of low hills and broad valleys, speaks of an ancient, glacial sculpting, a landscape smoothed by time and the slow creep of ice. The history of Shannon is inextricably linked to the rich agricultural heritage of the region, a story told in the sturdy grain elevators that punctuate the landscape and the weathered barns that stand as sentinels on family farms. For generations, this land has yielded its bounty, supporting a community built on hard work and a deep connection to the soil. While the primary driver of Shannon's economy remains agriculture, a quiet resilience is evident in the local businesses that serve the surrounding farms and families. A distinctive character emerges from this blend of rural tradition and the steady, unhurried pace of everyday life, a rhythm that feels both familiar and deeply rooted in the very essence of this place.
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This page provides an embedded street and satellite map of Shannon, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 42.154746, -89.739839. 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 Shannon and Carroll County.
Detailed location data for Shannon includes the ZIP code (61078), telephone area code (847, 224), county seat of Carroll County (Mount Carroll), and school district assignment (Eastland Community Unit School District 308). 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 Shannon 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. |