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Rental Market Trends in O'Fallon, MO

What is the average rent in O'fallon, MO?

$1,314/month

Average Rent

757 Sq Ft

Average Apartment Size

-2.1%

Decrease in the Last Year

As of March 2026, the average rent in O'fallon, MO is $1,314 per month. This is 19% lower than the national average rent of $1,627/month, making renting in O'fallon more affordable than most cities in the US. When you rent an apartment in O'fallon, you can expect to pay about $766 per month for a studio, $1,314 for a one-bedroom apartment, and around $1,576 for a two-bedroom apartment. If you opt for a three-bedroom rental, you could pay $2,180 or more.

Floor Plan Type
Average Rent
Average Sq Ft
Studio
$766/month
334 Sq Ft
One Bedroom
$1,314/month
757 Sq Ft
Two Bedroom
$1,576/month
1,016 Sq Ft
Three Bedroom
$2,180/month
1,391 Sq Ft
Floor Plan Type
Average Rent
Average Sq Ft
Two Bedroom
$1,708/month
1,057 Sq Ft
Three Bedroom
$2,370/month
1,555 Sq Ft
Four Bedroom
$2,810/month
2,341 Sq Ft
Floor Plan Type
Average Rent
Average Sq Ft
Two Bedroom
$1,585/month
1,042 Sq Ft
Floor Plan Type
Average Rent
Average Sq Ft

How much has average rent changed in O'fallon, MO?

In the past year, rent has decreased by 2.1%, which averages out to $28 less per month.

Market Trends Over Time   The chart below compares average rent prices to the previous year during the same time period.
Last Updated March 2026
Legend
2025 2026
Market Trends Over Time
Rent Ranges in O'fallon, MO
Last Updated March 2026
$1,001 - $1,500
Most rental prices fall within this range
Rent Ranges in O'fallon, MO
Percentage*
Rent Range
0% Below $700/month
12% $700 - $1,000/month
44% $1,001 - $1,500/month
31% $1,501 - $2,000/month
12% Above $2,000/month

What salary do I need to live comfortably in O'fallon, MO?

Because the average rent in O'fallon is $1,314, you’ll want to make about $4,380 per month or $52,560 per year. The general guideline is to pay no more than 30 percent of your monthly income on rent. However, you’ll want to consider additional factors, such as your monthly bills and other expenses. Use our rent affordability calculator to help determine how much to budget for rent.

City

O'fallon, MO

924 Available Apartments for Rent

Search for Nearby Apartments

How does O'fallon, MO compare to other nearby cities and neighborhoods?

Use the tool below to compare O'fallon, MO to other nearby cities and neighborhoods. The Apartments.com neighborhood guides provide you with insight into the area’s transportation, things to do, and more.

Explore the Area Guide for O'fallon, MO

Apartment Averages

Nearby City Rent Trends

  • Dardenne Prairie Average Rent
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Apartment communities in O'fallon we think you'll love

Enclave at Winghaven

Enclave at Winghaven

1000 Applerock Dr,
O'Fallon, MO 63368

$1,125 - $2,269

1-3 Beds

The Jewel O'Fallon

The Jewel O'Fallon

1000 Crown Jewel Cir,
O'Fallon, MO 63366

$1,309 - $2,236

1-3 Beds

The Willows

The Willows

307 Willow Manor Dr,
O'Fallon, MO 63367

$2,525 - $3,550

2-4 Beds

Casalon Parkway Apartments

Casalon Parkway Apartments

200 Casalon Pky,
O'Fallon, MO 63366

$921 - $2,053

1-2 Beds

Property Management Companies in O'Fallon, MO

Balke Brown Transwestern
Balke Brown Transwestern
  • 51

    Communities

  • 9,699

    Units

  • 22

    Cities

8 Communities in O'fallon
Avenue5 Residential
Avenue5 Residential
  • 551

    Communities

  • 123,222

    Units

  • 220

    Cities

2 Communities in O'fallon
Timberland Partners
Timberland Partners
  • 54

    Communities

  • 13,003

    Units

  • 46

    Cities

2 Communities in O'fallon
Sandhurst Apartment Management
Sandhurst Apartment Management
  • 42

    Communities

  • 10,891

    Units

  • 31

    Cities

2 Communities in O'fallon
Mills Properties
Mills Properties
  • 34

    Communities

  • 9,777

    Units

  • 12

    Cities

2 Communities in O'fallon
Monarch Investment and Management Group
Monarch Investment and Management Group
  • 315

    Communities

  • 76,967

    Units

  • 144

    Cities

1 Community in O'fallon
Village Green
Village Green
  • 166

    Communities

  • 33,877

    Units

  • 96

    Cities

1 Community in O'fallon
Clover Group Inc.
Clover Group Inc.
  • 63

    Communities

  • 7,509

    Units

  • 53

    Cities

1 Community in O'fallon

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United States Missouri O'fallon Rental Trends

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.

* Percentages may not total 100 due to rounding.

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Equal Housing Opportunity