O'Fallon
A city in St. Charles County, Missouri — population 89,769 as of 2020.
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News around St. Charles County
Lane Closure on Southbound Spencer Road (by the St. Charles City-County Library) Starting Sept. 30
The right southbound lane of Spencer Road (by the St. Charles City-County Library) is expected to close periodically starting Wednesday, Sept. 30, from 7:30 a.m.-4 p.m.
Transportation
Expect Overnight Lane Closures on Mid Rivers Mall Drive and Willott Road for Utility Work
Intermittent lane closures are scheduled from Monday-Friday, Sept. 28-Oct. 2, between 8:30 p.m. and 5:30 a.m. on Mid Rivers Mall Drive and Willott Road.
Transportation
Read the October 2026 issue of STC Now.
GeneralThe St. Charles County Highway Department will close West Meyer Road from Route W to Duenke Road, Wednesday, September 30, 2026.
Transportation
Eisenbath Road closure pushed back one week to October 5th
The St. Charles County Highway Department will close Eisenbath Road west of Freymuth Road weather permitting, Monday, October 5th, to reconstruct a concrete box culvert. The closure is anticipated to last 40 days.
TransportationIn and around O'Fallon
See & do
- 18 North Central
- 3-D Vision Basketball Academy
- Alligator's Creek Aquatic Center
- Altair At The Preserve
- Bridgeman Academy of Performing Arts
Eat, drink & stay
- 109 Brewhouse
- 7 Brew Coffee1580 Highway K
- 7 Brew Coffee8310 Old Hwy N
- 7 Brew Coffee8310 Old Hwy N
- 7 Brew Coffee1580 State Hwy K
Shops & services
+682 more on the mapMusicians & 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
- 30.5 sq mi (79 km²), 0 sq mi water
- Median age
- 38.4
- Households
- 35,471
- Persons per household
- 2.6
- Median household income
- $110,443
- Median house value
- $326,200
- Office
- COMMUNICATIONS DIRECTOR
- Address
- 100 N MAIN ST, O FALLON, MO 63366