Affton
Census-designated place in St. Louis County, Missouri
Affton is an unincorporated community (census-designated place) in St. Louis County, Missouri, with 20,417 residents (2020 Census). It sits at 617 ft (188 m) above sea level. The nearest town is Lakeshire, 0.9 miles SW.
- 20,417residents (2020 Census)
- 617 ftelevation · 188 m
- 4.6 sq miland area · 11.8 km²
- 4,467 / sq mipopulation density
- 63123ZIP code
About Affton
Affton is an unincorporated community and census-designated place (CDP) in south St. Louis County, Missouri, United States, near St. Louis. The population was 20,417 at the 2020 United States census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Affton
- Median household income
- $79,539
- Median home value
- $212,400
- Median rent
- $1,015/mo
- Median age
- 42
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Map of Affton
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Open in Google Maps ›Affton, MO population
Affton had 20,417 residents in the 2020 Census.
| 2020 Census | 20,417 |
|---|---|
| Density | 4,467 per sq mi (1,725 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Affton at a glance
| State | Missouri (MO) |
|---|---|
| County | St. Louis County |
| Type | Census-designated place |
| Population | 20,417 (2020) |
| Land area | 4.57 sq mi (11.8 km²) |
| Elevation | 617 ft (188 m) |
| Coordinates | 38.5499° N, 90.3264° W |
| ZIP code | 63123 |
| Census code (GEOID) | 2900280 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Affton
- Lakeshire0.9 mi SW
- Wilbur Park1.0 mi E
- St. George1.2 mi SE
- Marlborough1.4 mi NW
- Grantwood Village1.8 mi W
- Green Park2.0 mi S
- Bella Villa2.3 mi E
- Lemay2.5 mi SE
- Shrewsbury2.5 mi N
- Crestwood2.8 mi W
- Concord3.0 mi SW
- Webster Groves3.0 mi NW
Straight-line distance between town centers.
Frequently asked questions about Affton
What county is Affton in?
Affton is in St. Louis County, Missouri.
What is the population of Affton, MO?
20,417 people lived in Affton at the 2020 Census.
What is the ZIP code of Affton, MO?
The ZIP code of Affton is 63123.
What is the elevation of Affton?
617 feet (188 m) above sea level.
What towns are near Affton?
Lakeshire (0.9 mi), Wilbur Park (1.0 mi), St. George (1.2 mi), Marlborough (1.4 mi), Grantwood Village (1.8 mi).
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