O'Fallon
A city in St. Charles County, Missouri — population 89,769 as of 2020.
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This Afternoon
82°F
Cloudy10% precip
Tonight
67°F
Partly Cloudy then Patchy Fog14% precip
Saturday
90°F
Patchy Fog then Mostly Sunny8% precip
Saturday Night
68°F
Partly Cloudy then Slight Chance Rain Showers15% precip
In 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
Population
89,769Population figure, 2020
Households & income
- 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
Municipal office
- Office
- COMMUNICATIONS DIRECTOR
- Address
- 100 N MAIN ST, O FALLON, MO 63366
Photo:
Jim Roberts · CC BY-SA 4.0