Bedroom count
Property type
Last updated on September 14, 2026
Last updated on September 14, 2026
Bedroom count
Property type
Median rent in O'fallon
$1,925/mo
vs previous year
The average rent in O'fallon is $1,925 per month as of September 2026. This is 1% above the national average rent, or $25 more per month.
average price per square foot
Available rentals in O'fallon
43
for rent on Zumper.com as of September 2026
Share of O'fallon rentals at each price point
Average rent prices in O'fallon have increased by 1% over the last month and have increased by 7% since last year.
Rent prices on this page are calculated on a rolling 30-day basis and updated daily.
Rent prices in O'fallon vary by bedroom size, rental type, and neighborhood. The average rent for an apartment in O'fallon is $1,550, whereas a house costs $2,400. 1-bedroom apartments in O'fallon run $1,500 on average, while 2-bedroom apartments are $1,875.
Listings | ||||
|---|---|---|---|---|
Studio | $1,420 | No Change | 12% | |
1 bedroom | $1,430 | 3% | 30% | |
2 bedroom | $1,650 | No Change | 13% | |
3 bedroom | $2,375 | 1% | 6% | |
4 bedroom | $2,875 | 2% | 8% |
Listings | ||
|---|---|---|
Cave Springs Estates | $1,695 | |
Defiance | $1,600 | |
Hickory Ridge | $1,870 | |
Lake Saint Louis | $1,997 | |
University City | $1,600 | |
Wentzville | $2,162 |
Listings | ||||
|---|---|---|---|---|
Apartments | $1,550 | 5% | 23% | |
Condos | $1,575 | 4% | No Change | |
Houses | $2,400 | 3% | No Change | |
Rooms | $1,300 | No Change | - |
Studio
Average rent
$1,420
Last 30 days
No Change
Last year
12%
1 bedroom
Average rent
$1,430
Last 30 days
3%
Last year
30%
2 bedroom
Average rent
$1,650
Last 30 days
No Change
Last year
13%
3 bedroom
Average rent
$2,375
Last 30 days
1%
Last year
6%
4 bedroom
Average rent
$2,875
Last 30 days
2%
Last year
8%
Defiance
Average rent
$1,600
Lake Saint Louis
Average rent
$1,997
Cave Springs Estates
Average rent
$1,695
Hickory Ridge
Average rent
$1,870
University City
Average rent
$1,600
Wentzville
Average rent
$2,162
Apartments
Average rent
$1,550
Last 30 days
5%
Last year
23%
Condos
Average rent
$1,575
Last 30 days
4%
Houses
Average rent
$2,400
Last 30 days
3%
Rooms
Average rent
$1,300
The table above reflects average rent prices in O'Fallon, O'Fallon, MO, broken down by the number of bedrooms, neighborhoods, and property types. The availability of data for each category is dependent on market inventory and will adjust depending on your selected filters.
Compare median rent prices in O'fallon and Defiance by all bedroom counts and property types.
O'fallon
higher than the national median
lower than the national median
Takeaway
The median rent for all rentals in O'fallon, O'fallon, MO is 20% higher than the median rent in Defiance, Defiance, MO.
Explore rent trends in neighboring markets
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Quick answers to common questions about the O'fallon rental market.
The average rent in O'fallon is $1,925 per month as of September 12, 2026.
Average rent prices in O'fallon have increased by 1% over the last month and have increased by 7% since last year.
Rent in O'fallon is 1% above the national average, which means renters are paying approximately $25 more per month.
To comfortably afford rent in O'fallon, you'd need to earn approximately $77,000/year, based on spending no more than 30% of your income on rent.
Rent prices are based on Zumper's rental listings from the past 30 days. Median rent is calculated across all available listings and property types on the platform. If you filter the page by bedroom count or property type, the pricing throughout the page will update automatically to reflect that segment of the rental market.
Household and population data come from the U.S. Census Bureau. Cost-of-living data is sourced from the Council for Community and Economic Research's Cost of Living Index (COLI).