Apartments for Rent in Affton, MO

Prices and availability in Affton, MO were last updated on 24 Aug 2026.

The best apartments in Affton, MO are: Park Forest Apartments, Heritage Estates, 7235 Forestate Dr Saint Louis, MO 63123 and 7422 Gravois Ave, Unit 1C.

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 $1,025 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 average age of rental buildings in Affton is 54 years old, with 4% being newer apartment buildings completed since 2000. The average height of apartment buildings in the city is 2 stories, of which all are garden-style apartment communities, none are mid-sized buildings, and none are high-rises. These characteristics describe large-scale apartment communities of 50 apartments or more.

Studio apartments in Affton are around 5% of rentals, while 1-bedroom floor plans represent 50% of the total stock. For those in search of larger rentals, 2-bedroom floorplans make up 45% of all rentals. More generous apartments with 3 bedrooms or more are also available in this city for those in search of more space.