What's the average rent in O Fallon, IL?

Rental Market Trends in O Fallon, IL

SOURCE: TRULIA DATA

Rental market highlights

As of November 2026, the average rent in O Fallon, IL is $1,595 per month, which is 17% lower than the national average rent of $1,932 per month.

AVERAGE RENT

$1,595

-5.3%-$88 decrease month-over-month

13.9%$195 increase year-over-year

AVAILABLE RENTALS

APARTMENTS

$1,437

HOUSES

$2,400

TOWNHOUSES

$1,095

As of November 2026, townhomes are the most affordable rental option in O Fallon, IL at $1,095 per month, while houses are the most expensive at $2,400 per month. Apartments average $1,437 per month, offering a mid-range alternative for renters.

Average rent by number of bedrooms

Floor plan type	Average rent
1 Bedroom	$1,025
2 Bedrooms	$1,225
3 Bedrooms	$2,400
4 Bedrooms	$2,695
All	$1,595

As of November 2026, the average rent for a 1 bedroom rental in O Fallon, IL is $1,025 per month, followed by $1,225 for a 2 bedroom rental, $2,400 for a 3 bedroom rental, and $2,695 for a 4 bedroom rental.

Floor plan type	Average rent
1 Bedroom	$895
2 Bedrooms	$1,095
3 Bedrooms	$2,250
4 Bedrooms	—
All	$1,095

As of November 2026, the average rent for a 1 bedroom townhome in O Fallon, IL is $895 per month, followed by $1,095 for a 2 bedroom townhome, and $2,250 for a 3 bedroom townhome.

Floor plan type	Average rent
1 Bedroom	$875
2 Bedrooms	$1,150
3 Bedrooms	$2,662
4 Bedrooms	—
All	$1,400

As of November 2026, the average rent for a 1 bedroom apartment in O Fallon, IL is $875 per month, followed by $1,150 for a 2 bedroom apartment, and $2,662 for a 3 bedroom apartment.

Floor plan type	Average rent
1 Bedroom	$1,173
2 Bedrooms	$1,250
3 Bedrooms	$2,400
4 Bedrooms	$2,695
All	$2,400

As of November 2026, the average rent for a 1 bedroom house in O Fallon, IL is $1,173 per month, followed by $1,250 for a 2 bedroom house, $2,400 for a 3 bedroom house, and $2,695 for a 4 bedroom house.