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Grand Detour Illinois Map

Explore Grand Detour, Illinois, with this interactive street and satellite map. You can “grab” the Grand Detour, 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.

Interactive Map of Grand Detour, Illinois

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CityGrand Detour
StateIllinois (IL)
CountyOgle
CountryUnited States of America
TimezoneCentral Time (America/Chicago)
Latitude41.896698
Longitude-89.41177
Population297
Density93.1 /km²
IncorporatedN/A
ZIP Code(s)61021
Area Code847, 224
County SeatOregon
School DistrictDixon Unit School District 170

About Grand Detour, Illinois

Grand Detour is a locality in Ogle County, Illinois, United States. It is a small community with a population of 297. The population density is 93.1 people per km². Grand Detour is located at 41.8967°N, 89.4118°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61021.

Grand Detour unfolds as a quiet embrace of verdant rolling hills and the broad, patient sweep of the Rock River. It lies 30.6 miles south-south-west of Rockford, IL (from Rockford, IL: bearing 212°T), and is situated 5.3 miles north-east of Dixon. The land here breathes a gentle, settled air, where the sky feels vast and the horizon a soft, inviting line. Sunlight, when it breaks through the cottonwood and oak, paints the fields in strokes of gold and emerald, and the river itself, a languid ribbon of silver, carries the hushed secrets of countless seasons. The character of Grand Detour is one of understated beauty, a place where the natural world dictates the pace, its whispers carried on the breeze that rustles through the tall grasses and the murmuring flow of the water. The history of Grand Detour is intimately tied to the very currents that shaped its landscape, particularly the ingenious vision of John Deere. It was here, in the early days of the American frontier, that Deere's revolutionary steel plow was first forged, a tool that would transform the stubborn prairie soil into fertile ground and lay the foundation for the agricultural heartland of the nation. This legacy of innovation and hard work still resonates in the local economy, which remains anchored in agriculture and the enduring spirit of the people who call Grand Detour home. While the clang of the blacksmith's hammer may have faded, the echoes of that pioneering ingenuity can still be felt in the sturdy resolve of its inhabitants and the quiet dignity of a place that helped feed a nation.

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About This Grand Detour Map Page

This page provides an embedded street and satellite map of Grand Detour, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 41.896698, -89.41177. 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 Grand Detour and Ogle County.

Detailed location data for Grand Detour includes the ZIP code (61021), telephone area code (847, 224), county seat of Ogle County (Oregon), and school district assignment (Dixon Unit School District 170). 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 Grand Detour is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.

Page generatedJuly 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone.