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

Rental Market Trends in O Fallon, MO

SOURCE: TRULIA DATA

Rental market highlights

As of September 2026, the average rent in O Fallon, MO is $2,222 per month, which is 13% higher than the national average rent of $1,962 per month.

AVERAGE RENT

$2,222

-2.1%-$47 decrease month-over-month

3.4%$72 increase year-over-year

AVAILABLE RENTALS

APARTMENTS

$1,728

HOUSES

$2,550

TOWNHOUSES

$2,200

As of September 2026, apartments are the most affordable rental option in O Fallon, MO at $1,728 per month, while houses are the most expensive at $2,550 per month. Townhomes average $2,200 per month, offering a mid-range alternative for renters.

Average rent by number of bedrooms

Floor plan type	Average rent
1 Bedroom	$1,344
2 Bedrooms	$1,638
3 Bedrooms	$2,372
4 Bedrooms	$2,799
All	$2,222

As of September 2026, the average rent for a 1 bedroom rental in O Fallon, MO is $1,344 per month, followed by $1,638 for a 2 bedroom rental, $2,372 for a 3 bedroom rental, and $2,799 for a 4 bedroom rental.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$1,875
3 Bedrooms	$2,200
4 Bedrooms	—
All	$2,200

As of September 2026, the average rent for a 2 bedroom townhome in O Fallon, MO is $1,875 per month, followed by $2,200 for a 3 bedroom townhome.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$1,590
3 Bedrooms	—
4 Bedrooms	$2,200
All	$1,590

As of September 2026, the average rent for a 2 bedroom apartment in O Fallon, MO is $1,590 per month, followed by $2,200 for a 4 bedroom apartment.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$1,600
3 Bedrooms	$2,545
4 Bedrooms	$2,799
All	$2,550

As of September 2026, the average rent for a 2 bedroom house in O Fallon, MO is $1,600 per month, followed by $2,545 for a 3 bedroom house, and $2,799 for a 4 bedroom house.