Geographic reference
Monroe County, Illinois
Monroe County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17133
- Land area
- 997.924 km²
- Water area
- 33.756 km²
- Representative point
- 38.277983, -90.179078
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.