Apartments for Rent in Affton, MO

Prices and availability in Affton, MO were last updated on 14 May 2026.

The best apartments in Affton, MO are: Heritage Estates and Park Forest Apartments.

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

The price range for a 1-bedroom apartment in Affton, MO is between $1,050 and $1,335.

The price range for a 2-bedroom apartment in Affton, MO is between $1,175 and $1,765.

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 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.

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.