O'Fallon
In St. Clair County, Illinois — population 29,606 as of 2020.
stops being your city.
O'Fallon takes over news, events and the map.
News around St. Clair County
Yonkers Times (Rising Media Group)
September 30Ask around Belleville about what a local move costs, and you’ll hear numbers that don’t seem to line up with each other, even for moves that sound similar on paper. Two households moving the same three miles across town can end up with very different quotes, usually because of a…
Local Business
Norma Veronica Voges
Norma Veronica Voges, 65, of Belleville, passed into glory on Tuesday, Sept. 8, 2026. Visitation will be held 4-8 p.m. Sunday, Sept. 13 and from [...]
ObituariesIn and around O'Fallon
See & do
- 24 Hour Fitness Zone
- Ansley Oaks Apartments
- Archview Terrace
- Braeswood Private Lake
- Joseph Arthur Middle School
Eat, drink & stay
+174 more on the mapShops & services
+282 more on the mapEverything else
- 10th Planet Jiu Jitsu O'Fallon
- 1st Source Contractors620 S Lincoln Ave
- 1st Source Contractors1560 Frontage Rd
- 2MG
- 88 Keys Academy
Musicians & bands near O'Fallon →
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O'Fallon changes faster than we can keep up.
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O'Fallon by the numbers
- Area
- 15.76 sq mi (40.81 km²), 0.11 sq mi water
- Median age
- 37.8
- Households
- 12,816
- Persons per household
- 2.5
- Median household income
- $105,982
- Median house value
- $295,700
- Office
- CITY ADMINISTRATOR
- Address
- 255 S LINCOLN AVE, O FALLON, IL 62269