Census place · GEOID 3682084 · Erie County
Williamsville, NY ZIP codes
2 ZIP/ZCTAs intersecting this Census place in Erie County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Williamsville (GEOID 3682084). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 88,954 (2 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 Williamsville, NY

ZIP/ZCTA overlap with Williamsville
Population overlap
Share of each ZIP/ZCTA’s population located within Williamsville, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
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 Williamsville
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 14221 | Buffalo | Erie County | 55,153 | $101,275 |
| 14225 | Buffalo | Erie County | 33,801 | $65,562 |
USPS associates these ZIPs with Williamsville
These codes list Williamsville as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 14231 | Buffalo | Erie County | 445 | — |