St. Louis metro, MO relocation guide
Moving to Affton, MO
$263,700Median listing price
St. LouisArea
Commuter-friendlyCommute profile
About Affton
Affton is an unincorporated census-designated place in South St. Louis County with roughly 20,000 residents — one of the county's largest unincorporated communities. It is a classic postwar suburb of brick ranch homes and mid-century subdivisions, with a commercial spine along Gravois Road.



Home prices in Affton
The median listing price in Affton is $263,700.
Top places in Affton
- Grant's Farm
- Jefferson Barracks County Park and Historic Site
- Gravois Road commercial corridor
- Affton Athletic Association / local parks
Commuting from Affton
- Approximate drive to downtown St. Louis (Gateway Arch): ~20–25 minutes via I-55.
- MetroBus service connects the area to the MetroLink light-rail system; no in-community MetroLink station.
Affton FAQs
- What is the housing market like in Affton, MO?
The median listing price in Affton is $263,700. Median listing price · Realtor.com · September 24, 2026 - How is the commute from Affton, MO?
Approximate drive to downtown St. Louis (Gateway Arch): ~20–25 minutes via I-55.
Town links
Schools
Transit
Official town resources. School report cards via the National Center for Education Statistics.