Market Overview
Home Prices in Affton, MO
The median home value in Affton, MO is $251,044 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 1.9% compared to a year ago and up 1.2% from two years prior.
Compared to the U.S. national median of $410,000, homes in Affton are priced39% below average. Affton is part of the St. Louis, MO-IL metro area.
Over the past five years, Affton home values have risen by approximately24.0%, reflecting strong long-term appreciation in this market.
Price History
Affton Home Price Trend
City Comparison
Affton vs. National Median
At $251,044, homes in Affton cost 39% below the national median of $410,000. This makes Affton a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Affton?
20% Down Payment
$50,209
on $251,044
Monthly P&I
$1,309/mo
30-yr @ 6.8%
Total Monthly Est.
~$1,662/mo
incl. taxes & insurance
Income Needed
$66,480
gross annual (30% rule)
10% Down Option
$25,104
+ PMI applies
Loan Amount (20% dn)
$200,835
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Affton, MO?
The median home value in Affton is $251,044 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 1.9% year-over-year.
How much have home prices changed in Affton?
Over the past year, home values in Affton have increased by 1.9%. Over five years, prices have risen approximately 24.0%.
How much do I need to earn to buy a home in Affton?
To comfortably afford the median home price of $251,044 with a 20% down payment ($50,209) at today's rates (6.8%), you'd need a gross annual income of approximately $66,480. This assumes keeping total housing costs at or below 30% of gross income.
How does Affton compare to the national average home price?
The national median home value is approximately $410,000. At $251,044, homes in Affton are 39% below the national average.
What metro area is Affton part of?
Affton is part of the St. Louis, MO-IL metropolitan area. Home prices and market conditions can vary across the broader metro region.