Geographic reference
Quincy city, Illinois
Quincy city is a Census place in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 1762367
- Land area
- 41.229 km²
- Water area
- 0.104 km²
- Representative point
- 39.933675, -91.379304
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.