Populated place
O'Fallon
United States
Also known as
O'Falon · O'Fehlan · O'Fellon · ao fa lun · awfalwn · awfalwn aylynwy
Population
29,002 inhabitants of record
Coordinates
38.592°,
-89.911°
WGS 84
Time zone
America/Chicago 05:00 · Saturday, 16 May 2026
Elevation
167 m
above sea level
The Atlas keeps no cartography. The land is for those who walk it.
View on OpenStreetMap →Other cities in United States
- Chicago 2,664,452
- Aurora 200,661
- Rockford 148,278
- Joliet 147,861
- Naperville 147,100
- Peoria 115,070
- Springfield 114,394
- North Peoria 113,004
A city is a beginning. The arrangements that make it home — they belong to a conversation.
Make a discreet enquiry