Geographic reference
Macoupin County, Illinois
Macoupin County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17117
- Land area
- 2,235.149 km²
- Water area
- 12.192 km²
- Representative point
- 39.265914, -89.92633
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.