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 $2,320 per month, which is 19% higher than the national average rent of $1,948 per month.

AVERAGE RENT

$2,320

4.3%$95 increase month-over-month

7.9%$170 increase year-over-year

AVAILABLE RENTALS

APARTMENTS

$1,726

HOUSES

$2,590

TOWNHOUSES

$2,250

As of September 2026, apartments are the most affordable rental option in O Fallon, MO at $1,726 per month, while houses are the most expensive at $2,590 per month. Townhomes average $2,250 per month, offering a mid-range alternative for renters.

Average rent by number of bedrooms

Floor plan type	Average rent
1 Bedroom	$1,350
2 Bedrooms	$1,662
3 Bedrooms	$2,400
4 Bedrooms	$2,788
All	$2,320

As of September 2026, the average rent for a 1 bedroom rental in O Fallon, MO is $1,350 per month, followed by $1,662 for a 2 bedroom rental, $2,400 for a 3 bedroom rental, and $2,788 for a 4 bedroom rental.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$2,000
3 Bedrooms	$2,395
4 Bedrooms	—
All	$2,250

As of September 2026, the average rent for a 2 bedroom townhome in O Fallon, MO is $2,000 per month, followed by $2,395 for a 3 bedroom townhome.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$1,590
3 Bedrooms	$2,295
4 Bedrooms	—
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 $2,295 for a 3 bedroom apartment.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$1,683
3 Bedrooms	$2,499
4 Bedrooms	$2,788
All	$2,590

As of September 2026, the average rent for a 2 bedroom house in O Fallon, MO is $1,683 per month, followed by $2,499 for a 3 bedroom house, and $2,788 for a 4 bedroom house.