Median Age
40 Years
Largest Age Group
40-49 Years
Approximately 14% of Residents
Under 20
26%
Over 65
16%
O'Fallon
O'Fallon, MO Area Guide
Avg Rent
$1,328
Population
92,739
Renter Mix
20% Rent
With so much to see and do, O'Fallon will keep you busy.
Busy
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Nightlife
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Parks
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Shopping
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University
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Outdoor Activities
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O'Fallon holds the title of St. Louis's most populous suburb, and once you spend a weekend here, it's easy to understand why. Sitting along Interstates 64 and 70, this St. Charles County city puts residents within about 30 minutes of downtown St. Louis while keeping them close to wide-open green spaces, including the Weldon Spring Conservation Area. Day-to-day life feels relaxed and well-rounded, with plenty of parks, local shopping corridors, and the nearby St. Louis Premium Outlets for when retail therapy calls. Maryville University is just a short drive away, lending an academic energy to the broader community.
The rental scene in O'Fallon spans a solid range of options, from spacious townhomes and garden-style apartment communities to newer builds with resort-caliber amenities. Whether you're looking for something cozy or a larger multi-bedroom layout, the market here offers more breathing room than what you'd typically find closer to the city core. Founded in 1856 and named after businessman John O'Fallon, this city has deep historical roots that quietly coexist with its forward-moving growth, making it one of Missouri's most consistently livable communities.
Explore the City
Dardenne Creek runs through BaratHaven Park.
Find peace through the windy trails of BaratHaven Park.
Peruque Creek runs through Dames Park and the surrounding area.
Dames Park walking trails weave throughout the entire property and provide a scenic view.
Baxter Gardens West has a location in St. Paul for all your nursery needs.
Resident in the O'Fallon St Charles neighborhood takes in the surrounding nature at Civic Park.
Demographics
Median Household Income
$101,926
Average: $119,444
Education
30,646
Residents Have a Degree
Job Market
52,087
Workers Employed
Age Distribution
Get a sense of this area's population profile.
Housing Distribution
O'fallon has more homeowners than renters.
Renters
20%
Non-Renters
80%
Education Distribution
Review this city's overall education levels.
Bachelor's or Higher
29%
Other Education
71%
Rent Trends
As of April 2026, the average apartment rent in O'Fallon, MO is $767 for a studio, $1,316 for one bedroom, $1,593 for two bedrooms, and $2,159 for three bedrooms. Apartment rent in O'Fallon has decreased by -1.0% in the past year.
Property Type
Average Rent
Average Sq Ft
Apartment
$1,316/month
757 Sq Ft
House
$2,617/month
1,902 Sq Ft
Condo
$1,592/month
1,030 Sq Ft
Getting Around
Explore how walkable, bikeable, drivable, and transit-friendly O'Fallon, MO is for everyday living.
Fairly Walkable
Walkability
40
/ 100
Exceptionally Drivable
Drivability
100
/ 100
Somewhat Bikeable
Bikeability
30
/ 100
Scores provided by
Schools
Public
Grades K-5
337 Students
Public
Grades K-5
537 Students
Public
Grades K-5
436 Students
Public
Grades K-5
404 Students
Public
Grades K-5
349 Students
Public
Grades 6-8
1,255 Students
Public
Grades 6-8
1,190 Students
Public
Grades 6-8
1,067 Students
Public
Grades 9-12
1,778 Students
Public
Grades 9-12
1,497 Students
Public
Grades 9-12
School data provided by
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
Points of Interest
Shopping Centers
Parks and Recreation
- Weldon Spring Site & Interpretive Center
- August A. Busch Conservation Nature Center
Airports
- St Louis Lambert International
Top Apartments in O'Fallon
Houses for Rent in O'Fallon
Property Management Companies in O'Fallon, MO
Balke Brown Transwestern
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51
Communities
-
9,773
Units
-
23
Cities
7 Communities in O'fallon
Avenue5 Residential
-
581
Communities
-
129,613
Units
-
224
Cities
2 Communities in O'fallon
Timberland Partners
-
55
Communities
-
13,227
Units
-
47
Cities
2 Communities in O'fallon
Sandhurst Apartment Management
-
46
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-
11,296
Units
-
34
Cities
2 Communities in O'fallon
Mills Properties
-
34
Communities
-
9,777
Units
-
12
Cities
2 Communities in O'fallon
Monarch Investment and Management Group
-
320
Communities
-
78,002
Units
-
146
Cities
1 Community in O'fallon
Search Nearby Rentals
Nearby City Rentals
Nearby Neighborhood Rentals
Nearby House Rentals
Methodology
† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in February 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.