1 Bedroom Apartments for Rent in O'Fallon, MO (32 Rentals)

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Genius Ideas and Studio Layout Tips That Maximize Every Square Inch

Transform your studio apartment layout and maximize storage. Get proven ideas from a 20-year property expert to make any small space stylish and functional.

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Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts

Create a productive work-from-home apartment setup, even in a small space or studio. Discover layout ideas, desk solutions, and organization tips that actually work.

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Bramblett Hills
1 Bedroom Apartments

Bramblett Hills

1000 Bramblett CrossingO'Fallon, MO 63366
Corporate Housing

Navigating the Rental Market: Tips for First-Time Renters

Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

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St Peters Villa
1 Bedroom Apartments

St Peters Villa

300 Villa Circle DrSt. Peters, MO 63376
  • Utilities Included

Renting Smart: Lease Basics Every Renter Needs

Demystify Your Rental Lease. Learn the basics about renting, deposits, and tenant/landlord responsibilities. Rent smart and avoid surprises. | Renter University at ApartmentHomeLiving.com

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O'Fallon, MO Local Guide

O'Fallon 1 Bedroom Apartment Units with Current Availability by Neighborhood

Availability Confirmed As of: May 25, 2026

There are currently 318 available 1 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $956 to $1,740. Heres is today's list of the top neighborhoods in O'Fallon with the most available 1 Bedroom apartments:

NeighborhoodAvailable UnitsMedian PriceMin Price
OFallon St Charles144$1,475$956
Tysons Corner95$1,475$1,111
Whispering Woods79$1,475$956

Largest Available O'Fallon 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in O'Fallon, MO is found at Avenue64 Apartments in the Tysons Corner neighborhood and is 1,045 square feet priced from $1,707. Hearthstone at Autumn Hollow in the Crimson Oaks neighborhood has the second largest 1 Bedroom, which is sized at 1,000 square feet and currently listed start at $1,680. Here is today’s list of the largest available 1 Bedroom units in O'Fallon:

Apartment ListingModel NameSquare FootagePriced From
Avenue64 ApartmentsA21,045 Sq Ft$1,707
Hearthstone at Autumn Hollow2B/2B - 3rd-Floor Lake View1,000 Sq Ft$1,680
The Jewel O'FallonRuby950 Sq Ft$1,309
Thornwood ApartmentsWildrose895 Sq Ft$1,350
The Waterways of Lake Saint Louis ApartmentsBrookside895 Sq Ft$1,350
Prairie PointThe Sunswept831 Sq Ft$1,260
Enclave at WinghavenThe Charles805 Sq Ft$1,300
O'Fallon Lakes ApartmentsThe Adler802 Sq Ft$1,082
Harmony Ridge Apartments1 BD/1BA Townscape-Willowpoint800 Sq Ft$1,530
Altair At The PreserveCedarwood800 Sq Ft$1,586

Cheapest Available O'Fallon 1 Bedroom Apartments

As of May 25, 2026 the lowest priced 1 Bedroom apartment unit in O'Fallon, MO is the The Adler Model starting from $1,082 at O'Fallon Lakes Apartments in the Whispering Woods neighborhood. The second most affordable O'Fallon 1 Bedroom is the The Sunswept Model at Prairie Point starting at $1,260 in the Tysons Corner neighborhood. The average price for all 1 Bedroom apartments in O'Fallon is currently $1,463. Here is today’s list of the cheapest available 1 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
O'Fallon Lakes ApartmentsThe Adler$1,082
Prairie PointThe Sunswept$1,260
The Jewel O'FallonRuby$1,289
The Waterways of Lake Saint Louis ApartmentsBrookside$1,350
Hearthstone at Autumn Hollow1B/1B - 3rd Floor Lake View$1,350
Thornwood ApartmentsWildrose$1,350
Bramblett HillsCLOVE$1,375
Avenue64 ApartmentsA1$1,375
Citrine ApartmentsCanary$1,398
Prairie Encore1B/1B - Parking Lot View$1,425

Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University

From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.

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O'Fallon, MO
Population: 88,472

Ranked #376

in US Census Population by City

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Best Local Schools in
O'Fallon, MO

School data provided by Great Schools

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Frequently Asked Questions about 1 Bedroom O'Fallon Apartments

How much is the average rent for a 1 Bedroom O'Fallon Apartment?

The average rent for a 1 Bedroom Apartment in O'Fallon is $1,463.

What is the largest available 1 Bedroom O'Fallon Apartment for rent?

Today's apartment with the most square footage in O'Fallon is a 1,045 square feet unit starting from $1,707 at Avenue64 Apartments.

What is the average size for O'Fallon 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in O'Fallon is currently 731 sq ft.

Expert Rental Resources

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

Articles, How-To's, and Tips

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Genius Ideas and Studio Layout Tips That Maximize Every Square Inch

Written by: Lauren Harrington

This article was written based on first-hand renter experiences and common layout challenges identified after move-in.

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A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back

Written by: Lauren Harrington

I’m going to talk with you as a seasoned property manager and friend. So, let’s start with your security deposit. I want you to think about this guide as insider information. You deserve your deposit back.

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Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts

Written by: Lauren Harrington

This article is based on first-hand experience managing apartment communities and helping renters adapt to their spaces after moving in.

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What Does “Rent Burdened” Mean? How Much Rent Is Too Much

Written by: Lauren Harrington

This article draws from first-hand renter experiences and recurring financial challenges reported after moving in.