What is the average apartment size in Marlborough?

The average size for a Marlborough, St. Louis County, MO apartment is 715 square feet, but this number varies greatly depending on unit type, with cheap and luxury alternatives for houses and apartments alike. Studio apartments are the smallest and most affordable, 1-bedroom apartments are closer to the average, while 2-bedroom apartments and 3-bedroom apartments offer a more generous square footage.

What is the average rent in Marlborough?

As of Oct / 2025, the average rent in Marlborough is $1,053 per month, a 6.29% increase from last year’s average of $991.

What is the average apartment size in Marlborough?

The typical apartment in Marlborough offers about 715 sq. ft. square feet of living space, though actual sizes vary depending on layout and amenities.

Marlborough, St. Louis County, MO Rental Market Trends

Q: What's the typical rent budget in Marlborough?

The typical rent budget in Marlborough ranges from $1,001 to $1,500 per month, with 52% of rentals in this range.

Q: Do most people rent or own in Marlborough?

In Marlborough, 90% of households rent while 10% own their homes, based on the latest U.S. Census data.

Last updated: November 19, 2025 | Source: RentCafe Market Analysis, Yardi Matrix, U.S. Census Bureau

Highlights

The average rent for an apartment in Marlborough is $1,053, a 6.29% increase compared to the previous year, when the average rent was $991.

One-bedroom apartments provide 631 square feet for $1,018, balancing privacy and affordability.

Two-beedroom units at $1,209 offer 961 square feet, perfect for roommates or small families.

Average rent in Marlborough, St. Louis County, MO

Last updated: November 19, 2025

	Average Rent	Average Apartment Size
All Rentals	$1,053	715 sq. ft.
Studio	n/a	n/a
1 Bed	$1,018	631 sq. ft.
2 Beds	$1,209	961 sq. ft.
3 Beds	n/a	n/a

Marlborough, St. Louis County, MO rent trends

Rental prices in Marlborough, St. Louis County, MO have increased by 6.29% over the past year. The average rent moved from $991 to $1,053.

What's the typical rent budget in Marlborough, St. Louis County, MO?

The largest share of rentals in Marlborough, St. Louis County, MO (52%) fall between $1,001-$1,500 per month. This suggests that most people succesfully find suitable apartments within this price.

Do most people rent or own in Marlborough, St. Louis County, MO?

1,314 or 90% of the households in Marlborough, St. Louis County, MO are renter-occupied while 145 or 10% are owner-occupied.

Access comprehensive real estate data and information on Yardi Matrix

How Marlborough Compares to Other Cities

City	Average Rent
Marlborough	$1,053
Kansas City	$1,304
Saint Louis	$1,398
Springfield	$1,114
Saint Charles	$1,448
University City	$1,546
Florissant	$1,044
O'Fallon	$1,549
Ballwin	$1,456
Creve Coeur	$1,438
Independence	$1,184

Where this data comes from

The rental statistics on this page were compiled by RentCafe.com, a nationwide apartment search website trusted by millions of renters to find apartments and houses for rent throughout the U.S.

Rent prices, trends, and apartment sizes were calculated based on data from our sister company, Yardi Matrix, an apartment market intelligence solution that covers approximately 90% of the U.S. metro area population. The data includes comprehensive information on all Marlborough apartment buildings with 50 or more units, totaling 23.5 million apartments across 181 U.S. markets.

Housing composition data was sourced from the U.S. Census Bureau, using the most recently available information by tenure.