Average Rent in Affton, MO and Rent Price Trends

Rent trends in Affton, MO

Average rent prices in Affton have increased by 61% over the last month and have decreased by 5% since last year.

Rent trends

Rent prices on this page are calculated on a rolling 30-day basis and updated daily.

Compare rent prices in
Affton, MO

Rent prices in Affton vary by bedroom size, rental type, and neighborhood. The average rent for an apartment in Affton is $1,049, whereas a house costs $1,850. 1-bedroom apartments in Affton run $850 on average, while 2-bedroom apartments are $999.


Studio	$849	-	-
1 bedroom	$950	3%	5%
2 bedroom	$1,395	19%	2%
3 bedroom	$1,900	11%	5%
4 bedroom	$2,495	45%	-

		Listings
Affton	$1,447
St George	$1,574


Apartments	$1,049	No Change	No Change
Condos	$1,100	41%	No Change
Houses	$1,850	4%	No Change

Studio

Average rent

$849

1 bedroom

Average rent

$950

Last 30 days

Last year

2 bedroom

Average rent

$1,395

Last 30 days

19%

Last year

3 bedroom

Average rent

$1,900

Last 30 days

11%

Last year

4 bedroom

Average rent

$2,495

Last 30 days

45%

The table above reflects average rent prices in Affton, MO, broken down by the number of bedrooms, neighborhoods, and property types. The availability of data for each category is dependent on market inventory and will adjust depending on your selected filters.

How does rent in Affton, MO compare to other cities?

Compare median rent prices in Affton and Arnold by all bedroom counts and property types.

Affton

Median rent price$1,424

26%

lower than the national median

Median rent price$1,677

13%

lower than the national median

Takeaway

The median rent for all rentals in Affton, MO is 15% lower than the median rent in Arnold, MO.

Average rent in nearby cities

Explore rent trends in neighboring markets

$1,677

$1,600

$1,400

$1,795

$1,900

$1,182

$1,895

$1,765

$1,097

$1,097

$1,465

$1,695

Discover rentals in Affton, MO

5d+ ago

St. George house for rent in Affton

9826 Ravensbrook Dr, Affton, MO 63123

3 beds

1 bath

$1,795

House for rent

Available Aug 15

5d+ ago

St. George house for rent in Affton

Beautifully Renovated 3 Bed/1.5 Bath Home

9207 Reavis Barracks Rd, Affton, MO 63123

3 beds

2 baths

$1,850

House for rent

Available Aug 30

2d ago

House for rent in Affton

Available in November! Cozy 3 Bedroom Brick Ranch in Affton!

9252 Citadel Ct, Affton, MO 63123

3 beds

1.5 baths

$2,079

House for rent

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Frequently asked questions for Affton, MO

Quick answers to common questions about the Affton rental market.

How much is rent in Affton?

The average rent in Affton is $1,424 per month as of August 15, 2026.

Is rent up or down in Affton?

Average rent prices in Affton have increased by 61% over the last month and have decreased by 5% since last year.

How does Affton rent compare to the national average?

Rent in Affton is 26% below the national average, which means renters are paying approximately $500 less per month.

What salary do I need to afford rent in Affton?

To comfortably afford rent in Affton, you'd need to earn approximately $57,000/year, based on spending no more than 30% of your income on rent.

Methodology

Rent prices are based on Zumper's rental listings from the past 30 days. Median rent is calculated across all available listings and property types on the platform. If you filter the page by bedroom count or property type, the pricing throughout the page will update automatically to reflect that segment of the rental market.

Household and population data come from the U.S. Census Bureau. Cost-of-living data is sourced from the Council for Community and Economic Research's Cost of Living Index (COLI).