Geographic reference
Warren County, Illinois
Warren County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17187
- Land area
- 1,404.706 km²
- Water area
- 1.735 km²
- Representative point
- 40.850441, -90.620223
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.