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

Rental Market Trends in O Fallon, MO

SOURCE: TRULIA DATA

Rental market highlights

As of August 2026, the average rent in O Fallon, MO is $2,234 per month, which is 14% higher than the national average rent of $1,965 per month.

AVERAGE RENT

$2,234

-0.2%-$5 decrease month-over-month

3.7%$79 increase year-over-year

AVAILABLE RENTALS

APARTMENTS

$1,672

HOUSES

$2,618

TOWNHOUSES

$2,100

As of August 2026, apartments are the most affordable rental option in O Fallon, MO at $1,672 per month, while houses are the most expensive at $2,618 per month. Townhomes average $2,100 per month, offering a mid-range alternative for renters.

Average rent by number of bedrooms

Floor plan type	Average rent
1 Bedroom	$1,332
2 Bedrooms	$1,650
3 Bedrooms	$2,417
4 Bedrooms	$2,668
All	$2,234

As of August 2026, the average rent for a 1 bedroom rental in O Fallon, MO is $1,332 per month, followed by $1,650 for a 2 bedroom rental, $2,417 for a 3 bedroom rental, and $2,668 for a 4 bedroom rental.

Floor plan type	Average rent
1 Bedroom	—
2 Bedrooms	$1,875
3 Bedrooms	$2,200
4 Bedrooms	—
All	$2,100

As of August 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	$1,600
3 Bedrooms	$2,550
4 Bedrooms	$2,668
All	$2,618

As of August 2026, the average rent for a 2 bedroom house in O Fallon, MO is $1,600 per month, followed by $2,550 for a 3 bedroom house, and $2,668 for a 4 bedroom house.