Apartments for Rent in Affton, MO

Prices and availability in Affton, MO were last updated on 5 Oct 2026.

The best apartments in Affton, MO are: Park Forest Apartments, Heritage Estates and 7235 Forestate Dr Saint Louis, MO 63123.

The average rent in Affton, MO is $1,038.

The price range for a 1-bedroom apartment in Affton, MO is between $1,070 and $1,290.

The price range for a 2-bedroom apartment in Affton, MO is between $1,260 and $1,875.

In Affton 19% of the housing is rented out compared to 81% of homes are owned, according to the most recent Census Bureau estimates. 10% of Affton's apartments are found in large buildings of 50 units or more, 58% are located in smaller apartment complexes with less than 50 units, and 30% are single-family rentals.

The age and size of multifamily buildings are among the most visible characteristics of the rental market in a city. In this case, the apartment buildings in Affton are about 54 years old, on average. Of these, 4% have been built since 2000, representing the newer options on the market and typically offering more amenities. Rental buildings in the city have an average height of 2 stories. About all of the rental communities here are low-rise, garden-style communities, none are mid-rises, and none are high-rise buildings. These are true especially for large-scale multifamily buildings with over 50 apartments.

Rental apartments in Affton come in a range of sizes and floorplans. Studio apartments represent 5% of units for rent, ideal for singles, renters on a budget and people who value central locations more than space. Rentals with 1-bedroom floorplans make up 50% of the total apartments in the city, while 2-bedroom floorplans represent around 45% of all rentals in Affton. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.