Geographic reference
Grundy County, Illinois
Grundy County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17063
- Land area
- 1,082.964 km²
- Water area
- 32.109 km²
- Representative point
- 41.29241, -88.401054
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.