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Affton, MO Demographics & ZIP Codes
Affton, Missouri demographics and median household income by ZIP code (in St. Louis County) — 1 ZIP codes — population 49,826 — median income $74,187 — avg. home value $205,300. Compare income, housing, and population across ZIP codes on US5.
Population
49,826
Median household income (avg.)
$74,187
99% of U.S. median
Average home value
$205,300
59% of U.S. median
Average rent
$865
74% of U.S. median
Median age (avg.)
41.0
Affton demographics
Affton, Missouri covers 1 ZIP code primarily in St. Louis County, with a combined ZIP-area population of about 49,826.
Across ZIP codes with age data, the average median age is about 41.0 years.
Median household income in Affton
The average median household income across ZIP codes in Affton, Missouri is about $74,187 — about 13% above the MO ZIP average ($65,505), and about even with the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $74,187 in 63123.
Housing in Affton
For housing in Affton, Missouri, the average median home value is about $205,300 and the average median rent is about $865.
The most populous ZIP in this set is 63123 (about 49,826 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Affton
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 63123 | Affton | St. Louis County | MO | 49,826 | $74,187 | $205,300 |
Frequently asked questions
What are the demographics of Affton?
Affton, Missouri has a combined ZIP-area population of about 49,826 across 1 ZIP codes (primarily St. Louis County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Affton?
The average median household income across ZIP codes in Affton, Missouri is about $74,187, about 13% above the state ZIP average ($65,505), and near the U.S. median ($75,149). Average median home value is about $205,300.
How many ZIP codes are in Affton?
Affton, Missouri includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Affton?
This page lists ZIP codes in Affton, Missouri with population, median household income, and home value. Select a ZIP for a full demographics profile.