Thomson, Illinois — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Thomson, Carroll County.
| City | Thomson |
| State | Illinois (IL) |
| County | Carroll |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 41.958916 |
| Longitude | -90.099292 |
| Population | 1,757 |
| Density | 265.6 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 61285 |
| Area Code | 847, 224 |
| County Seat | Mount Carroll |
| School District | West Carroll Community Unit School District 314 |
Thomson is a locality in Carroll County, Illinois, United States. It has a population of approximately 1,757. The population density is 265.6 people per km². Thomson is located at 41.9589°N, 90.0993°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61285.
Thomson rests where the Mississippi River, a broad, unhurried artery of the continent, shapes the very character of the land. It lies 36.9 miles north-east of Bettendorf, IA (from Bettendorf, IA: bearing 35°T), and is situated 9.1 miles north-north-east of Clinton. The terrain here is a gentle unfolding of fertile bottoms, giving way to bluffs that rise with a quiet dignity, their limestone faces hinting at ancient seabeds. The air, particularly in the hushed hours of early morning, carries the damp, earthy scent of the river's embrace and the subtle perfume of ripening corn from the surrounding fields. Sunlight, when it breaks through the often-overcast skies, paints the landscape in broad strokes of muted gold and deep emerald, revealing the patient, enduring beauty of this riverine world. The story of Thomson is inextricably linked to the mighty Mississippi, a waterway that has long dictated its fortunes and its very existence. For generations, the river was the highway, the lifeblood, and the occasional adversary, shaping the local economy through agriculture and the transport of goods. The fertile soil, a legacy of glacial deposits and riverine silt, continues to sustain a strong farming tradition, with vast fields of corn and soybeans stretching towards the horizon. While the grand riverboats of yesteryear are fewer now, the spirit of connection to the water endures, evident in the quiet docks and the fishing boats that bob near the shore, a constant reminder of Thomson's deep, abiding relationship with the flowing world.
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This page provides an interactive Google map of Thomson, Illinois with street, satellite and terrain views and integrated Street View imagery. 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 Thomson and Carroll County.
Detailed location data for Thomson includes the ZIP code (61285), telephone area code (847, 224), county seat of Carroll County (Mount Carroll), and school district assignment (West Carroll Community Unit School District 314). 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 Thomson is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 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. |