Geographic reference
Logan County, Illinois
Logan County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17107
- Land area
- 1,600.748 km²
- Water area
- 2.262 km²
- Representative point
- 40.129166, -89.365297
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.