Geographic reference
Adams County, Illinois
Adams County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17001
- Land area
- 2,214.827 km²
- Water area
- 41.753 km²
- Representative point
- 39.986052, -91.194961
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.