Geographic reference
Boone County, Illinois
Boone County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17007
- Land area
- 727.137 km²
- Water area
- 3.338 km²
- Representative point
- 42.319312, -88.824213
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.