Affton, MO ZIP codes

1 ZIP/ZCTA intersecting this Census place (CDP) in St. Louis County.

ACS 2023 population

20,035

Median household income

$77,337

Median home value

$200,300

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Affton (GEOID 2900280). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 49,826 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Affton, MO

Census place boundary and intersecting ZIP Code Tabulation Areas for Affton, MO — Census place boundary for Affton, MO. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Affton

Population overlap

Share of each ZIP/ZCTA’s population located within Affton, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

6312340.0%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Affton

ZIP	City	County	Population	Income
63123	Saint Louis	St. Louis County	49,826	$74,187