O'Fallon
IL flag

O'Fallon

Place

Territory

GEOID
1755249
OCD-ID
ocd-division/country:us/state:il/place:o~fallon
POP
32,656 (2025)
CENTER
38.5976, -89.9147
SOURCE
census tiger

Government of O'Fallon

Bodies, seats, agencies and services that belong to O'Fallon itself.

City Council
2/2 seats recorded

Organization 14

Departments