O Fallon, IL rental market
What is the average rent in O Fallon, IL?
Last updated December 8, 2025
Rental market summary
The average rent for all bedrooms and all property types in O Fallon, IL is $1,425.
$1,425
-$11
-$175
45
Source: Zillow Rentals data
Rental price range
The price range for all bedrooms and all property types is $850 to $3,500.
| Rent price | Number of rental properties |
|---|---|
| $800 | 1 |
| $900 | 4 |
| $1,000 | 5 |
| $1,100 | 1 |
| $1,200 | 7 |
| $1,300 | 6 |
| $1,400 | 3 |
| $1,500 | 2 |
| $1,600 | 1 |
| $1,700 | 1 |
| $1,800 | 4 |
| $1,900 | 5 |
| $2,000 | 2 |
| $2,100 | 2 |
| $2,200 | 3 |
| $2,300 | 2 |
| $2,400 | 4 |
| $2,500 | 2 |
| $2,700 | 1 |
| $2,900 | 1 |
| $3,400 | 2 |
| $3,500+ | 1 |
Average rent price over time
In the last year, rent has decreased by $175 compared to the previous year.
| Last year (2024) | This year (2025) | |
|---|---|---|
| Jan | $1,817 | $1,600 |
| Feb | $1,250 | $1,525 |
| Mar | $1,300 | $1,335 |
| Apr | $1,395 | $1,500 |
| May | $1,395 | $1,450 |
| Jun | $1,775 | $1,595 |
| Jul | $1,773 | $2,000 |
| Aug | $1,600 | $1,595 |
| Sep | $1,400 | $1,850 |
| Oct | $1,317 | $1,500 |
| Nov | $1,300 | $1,400 |
| Dec | $1,595 | $1,403 |
Market temperature
The O Fallon, IL rental market temperature is COOL. Market temperature is based on changes in renter demand compared to the national average. For example, a hot market has increasing demand.
Temperature is based on all bedrooms and all property types.
Compare average rent in markets
Rent in O Fallon, IL is 29% lower than the national average.
$1,425
$2,000
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Frequently asked questions
1. What is the average rent in O Fallon, IL?
The average rent in O Fallon, IL is $1,425.
2. What is the average rent for a studio apartment in O Fallon, IL?
The average rent for a studio apartment in O Fallon, IL is $1,439 per month.
3. What is the average rent for a one-bedroom apartment in O Fallon, IL?
The average rent for a one-bedroom apartment in O Fallon, IL is $1,056 per month.
4. What is the average rent for a two-bedroom apartment in O Fallon, IL?
The average rent for a two-bedroom apartment in O Fallon, IL is $1,250 per month.
5. What is the average rent for a three-bedroom apartment in O Fallon, IL?
The average rent for a three-bedroom apartment in O Fallon, IL is $1,900 per month.
6. What is the average rent for a four-bedroom apartment in O Fallon, IL?
The average rent for a four-bedroom apartment in O Fallon, IL is $2,948 per month.
7. How much does it cost to rent a house in O Fallon, IL?
Houses in O Fallon, IL rent between $850 - $3,500 with an average rent of $1,425.
8. How has the rent in O Fallon, IL changed in the last year?
In the last year, the rent in O Fallon, IL decreased by $175
9. How much has the rent in O Fallon, IL increased/decreased in the last month?
In the last month, the rent in O Fallon, IL decreased by $11
10. How many available rentals are there in O Fallon, IL?
There are currently 45 rentals available in O Fallon, IL.
11. How do rent prices in O Fallon, IL compare with the national average?
The average rent in O Fallon, IL is $1,425 — 28.75% lower the national average of $2,000.