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Rental Market Trends in O'Fallon, MO

Updated July 2026

The average rent in O'fallon, MO is $1,356/month.

Rent in O'fallon is 18% lower than the national average rent of $1,663/month, making this one of the less expensive cities statewide.

$1,356/month

Average Rent

763 Sq Ft

Average Size

+0.6%

Change / Year

802

Available Apartments

O'fallon rent varies by unit size and layout:

  • Studio apartments in O'fallon average $769 per month.
  • One-bedroom apartments in O'fallon average $1,356 per month.
  • Two-bedroom apartments in O'fallon average $1,632 per month.
  • Three-bedroom apartments in O'fallon average $2,159 or more per month.

Average Rent by Home Type

Bedrooms
Average Rent
Average Sq Ft
Studio
$769/month
334 Sq Ft
One Bedroom
$1,356/month
763 Sq Ft
Two Bedroom
$1,632/month
1,023 Sq Ft
Three Bedroom
$2,159/month
1,401 Sq Ft
Bedrooms
Average Rent
Average Sq Ft
Three Bedroom
$2,399/month
1,501 Sq Ft
Four Bedroom
$2,826/month
2,243 Sq Ft
Bedrooms
Average Rent
Average Sq Ft
Two Bedroom
$1,526/month
1,032 Sq Ft
View O'fallon Apartments

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

In the past year, rent has increased by 0.6%, which averages out to $9 more per month.

Market Trends Over Time

July 2026

2025 2026
Market Trends Over Time

Rent Ranges in O'fallon, MO

July 2026
$1,501 - $2,000
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
35% $1,001 - $1,500/month
41% $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 $1,356, you’ll want to make about $4,520 per month or $54,240 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

802 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.

View the O'fallon Area Guide

Apartment Averages

Compare Rent Trends Nearby

Get a clearer picture of the area by viewing rent trends in nearby cities.

  • Dardenne Prairie

    Dardenne Prairie

  • Lake Saint Louis

    Lake Saint Louis

  • Cottleville

    Cottleville

  • Saint Peters

    Saint Peters

  • Wentzville

    Wentzville

  • Weldon Spring

    Weldon Spring

  • Saint Charles

    Saint Charles

Apartment Communities in O'fallon We Think You'll Love

Enclave at Winghaven

Enclave at Winghaven

1000 Applerock Dr,
O'Fallon, MO 63368

1-3 Beds | $1,331 - $1,959

Timber Club

Timber Club

1101 Mid Rivers Place Dr,
Saint Peters, MO 63304

1-2 Beds | $1,470 - $2,525

The Jewel O'Fallon

The Jewel O'Fallon

1000 Crown Jewel Cir,
O'Fallon, MO 63366

1-3 Beds | $1,329 - $1,956

Casalon Parkway Apartments

Casalon Parkway Apartments

200 Casalon Pky,
O'Fallon, MO 63366

1-2 Beds | $1,007 - $2,117

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Frequently Asked Questions

What is the average rent in O'fallon?

The average rent in O'fallon is $1,356 per month, which is 18.5% lower than the national average of $1,663.

What is the average rent for a house in O'fallon?

The average rent for a house in O'fallon, MO is $2,399 per month.

Are rents going up or down in O'fallon?

Rents in O'fallon, MO are increasing, with prices up 0.6% year-over-year and $9 more per month.

What rent range is most common in O'fallon?

In O'fallon, MO, 41% of apartments fall between $1,501 - $2,000/month, though prices may vary depending on location and other factors.

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 June 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.

* Percentages may not total 100 due to rounding.

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© 2026 CoStar Group, Inc.

Equal Housing Opportunity