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Home values, rents and more in Affton, MO

September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07

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Typical home value
$243,000
Metro: $273,000 · U.S.: $366,000
Home values, past year
+2.9%
Metro: +3.3% · U.S.: +1.2%
Typical rent
$1,614/mo
Metro: $1,427 · U.S.: $1,932
Population
19,052
ACS 2020–24
Median household income
$79,539
Metro: $80,196 · U.S.: $80,734
ZIP codes around Affton, MO, shaded by typical home valueAffton6312363125
  • Under $210k
  • $210k–$250k
  • $250k–$310k
  • $310k–$370k
  • $370k+
  • No data
ZIP codes around Affton, MO, shaded by typical home value (Zillow, ZIP codes). Dashed lines are county borders. Affton is outlined.

How Affton compares

The typical home in Affton, MO is worth about $243,000, according to the Zillow Home Value Index for September 2026. Home values in Affton are 11% below the typical value in the St. Louis metro area ($273,000) and 34% below the U.S. typical value ($366,000).

Over the past year, home values in Affton rose 2.9%, compared with +3.3% in the St. Louis metro area and +1.2% nationally.

Typical rent is $1,614 a month (Zillow Observed Rent Index), 13% above the St. Louis metro area ($1,427) and 16% below the U.S. ($1,932).

The median household income is $79,539, against $80,196 in the St. Louis metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).

About 19,052 people live in Affton (American Community Survey 2020–24).

Affton has the 115th-highest typical home value of the 231 cities in the St. Louis metro area and the 312th-highest of 686 in Missouri with Zillow figures.

Part of: St. Louis County, MO · St. Louis metro area · Missouri

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  • 5- and 10-year price changes
  • Days on market and months of supply
  • Price cuts and sale-to-list ratio
  • Price-to-income and monthly cost to buy
  • Crime rates
  • Homeowners insurance premiums
  • Commute time to downtown
  • Flood, wildfire and natural hazard risk
  • Property-tax rate
  • 2024 presidential vote
  • Age, education and household make-up
  • Amenities and transit nearby
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Nearby cities

ZIP codes in Affton, MO

Sources

Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.

"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.

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