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

Prices and availability in Marlborough, St. Louis County, MO were last updated on 8 Sep 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 $1,145 and $1,745.

In Marlborough, 87% of the residents are renting compared to 13% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 7% of Marlborough's rentals, 81% are small-scale complexes with under 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.