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Houses for Rent in O'Fallon, IL

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What to Know About

Life in O Fallon & Beyond

O Fallon shares many of the great qualities that make Illinois a desirable place to live.

Illinois is known for its rich cultural heritage, lively urban centers, and beautiful countryside landscapes. Explore the state's cultural heritage by visiting renowned museums such as the Lincoln Presidential Library and Museum, the Field Museum of Natural History, the Museum of Science and Industry, and the Art Institute of Chicago. The state also has a thriving theater and art scene, including the renowned Steppenwolf Theatre Company in Chicago. Illinois is also home to respected universities like the University of Illinois at Urbana-Champaign and Northwestern University.

Outdoor enthusiasts will love the scenic beauty of the Shawnee National Forest and the adventure-filled trails of the Starved Rock State Park. Sports fans will be in their element in Illinois, cheering on the Chicago Bears (NFL), Chicago Blackhawks (NHL), Chicago Cubs (MLB), Chicago White Sox (MLB), and Chicago Bulls (NBA). Experience famous attractions like the Willis Tower, Navy Pier, and the Lincoln Park Zoo. Also, enjoy the musicals and plays at Broadway-in-Chicago, festivals throughout the summer months, and culinary tours of the local restaurants.

With its vibrant cultural scene, exciting entertainment options, and top-notch educational opportunities, Illinois offers a high quality of life, making it a great place to live.

Rental Market Trends

O Fallon, IL

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As of November 2026, O Fallon's rental market is stable, with rentals spending about 29 days on the market, about the same as in Illinois (29), and rents up 5.4% over the past year. O'Fallon's average rent is 27.1% ($661) lower than the Illinois average of $2,439 and 12.7% ($258) lower than the U.S. average of $2,036.

Average Rent
$1,778
Monthly ChangeMonth Over Month Change
Increased0.45% ($8)
Yearly ChangeYear Over Year Change
Increased5.4% ($91)
Days on Market
29
Unit Type Average Rent Monthly ChangeMonth Over Month Change Yearly ChangeYear Over Year Change
1 Bed $1,118 Increased0.02% Increased0.3% ($3)
2 Beds $1,402 Increased0.15% ($2) Increased4.8% ($64)
3 Beds $2,054 Increased0.56% ($11) Increased1.7% ($33)
Nearby Cities Average Rent Avg. Rent vs. O FallonAverage Rent vs. O Fallon Days on Market
Lebanon $1,270 Decreased28.6% ($508) 28 days
Fairview Heights $1,283 Decreased27.8% ($495) 27 days
Caseyville $958 Decreased46.1% ($820) 28 days
Troy $1,275 Decreased28.3% ($503) 28 days
Collinsville $1,162 Decreased34.6% ($616) 27 days
Based on rentals advertised on RentalSource in and around O Fallon.
Frequently Asked Questions
O Fallon Rental Market FAQs

Explore rental prices, market conditions, and affordability in O Fallon, IL.

The average rent in O'Fallon, IL is about $1,778 per month.
In O'Fallon, the average rent is about $1,118 per month for a 1-bedroom house, about $1,402 for a 2-bedroom house and about $2,054 for a 3-bedroom house.
The average rent in O'Fallon is 12.7% ($258) lower than the national average of $2,036 per month.
The rental market in O'Fallon, IL is currently stable, with rentals spending about 29 days on the market, about the same as in Illinois (29), and rents up 5.4% over the past year.
Based on the current averages, a household would need an annual income of about $56,100 to comfortably afford a 2-bedroom house in O'Fallon.
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