Apartments for Rent in Marlborough, St. Louis County, MO

Prices and availability in Marlborough, St. Louis County, MO were last updated on 14 Oct 2026.

The best apartment in Marlborough, St. Louis County, MO is: The Villages at General Grant.

The average rent in Marlborough, St. Louis County, MO is $1,078.

The price range for a 1-bedroom apartment in Marlborough, St. Louis County, MO is between $795 and $1,395.

The price range for a 2-bedroom apartment in Marlborough, St. Louis County, MO is between $1,095 and $1,745.

In Marlborough 87% of the housing is rented out compared to 13% of homes are owned, according to the most recent Census Bureau estimates. 7% of Marlborough's apartments are found in large buildings of 50 units or more, 81% are located in smaller apartment complexes with less than 50 units, and 12% are single-family rentals.

The average age of rental buildings in Marlborough is 56 years old, with 3% 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 Marlborough come in a range of sizes and floorplans. Studio apartments represent 4% 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 51% of the total apartments in the city, while 2-bedroom floorplans represent around 44% of all rentals in Marlborough. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.