Geographic reference
Grand Detour CDP, Illinois
Grand Detour CDP is a Census place in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 1730705
- Land area
- 3.03 km²
- Water area
- 0.631 km²
- Representative point
- 41.901154, -89.41309
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.