Apartments for Rent in Affton, MO

Prices and availability in Affton, MO were last updated on 11 May 2026.

The best apartments in Affton, MO are: Park Forest Apartments, Heritage Estates and 7630 General Sherman Lane 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 $1,160 and $1,280.

The price range for a 2-bedroom apartment in Affton, MO is between $1,175 and $1,570.

In Affton, 19% of the residents are renting compared to 81% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 10% of Affton's rentals, 58% are small-scale complexes with under 50 units, and 32% 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.