O'Fallon
United States
PROFILE
- Country: United States
- State: Missouri
- Population: 86,274 (2016)
- Latitude: 38° 48.6' N (38.81061°)
- Longitude: 90° 42' W (-90.69985°)
- Elevation: 166 m/543 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)
- Alternate names: O'Fallon Station