Williamsville, NY ZIP Codes
One ZIP code serves Williamsville, New York: 14221. Together they are home to 55,255 residents in 24,532 households. That is more than the 5,469 people counted inside Williamsville village limits, because these ZIP codes reach past its boundary.
Williamsville village limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 5,469 |
| Households | 2,759 |
| Median household income | $98,850 |
| Median home value | $278,900 |
| Median age | 49.2 |
| Median rent | $1,404 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 55,255 |
| Households (sum of ZIP codes) | 24,532 |
| Median household income, range across ZIP codes | $101,615 (14221) to $101,615 (14221) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $101,615 |
| Homeowners | 75.0% |
| Households with kids under 18 | 23.0% |
| Moved in the past year | 10.4% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Williamsville
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 14221 | Buffalo | 55,255 | 24,532 | $101,615 | $329,600 | 75.0% | 23.0% | 10.4% | — | — | 5% of its land |
A ZIP code is listed for Williamsville when at least 10% of its land lies inside Williamsville village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Williamsville. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Williamsville.
Counties
- Erie County — 70 ZIP codes
Nearby cities sharing these ZIP codes
- Buffalo — 29 ZIP codes
- Harris Hill — 1 ZIP code
Price a mailing to Williamsville ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Williamsville, NY?
- 14221. A ZIP code is listed for Williamsville when at least 10% of its land lies inside Williamsville village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Williamsville.
- What is the population of Williamsville, NY?
- The Census Bureau counts 5,469 residents inside Williamsville village limits (ACS 2020–2024). The 1 ZIP code that serve Williamsville hold 55,255 residents in all.
- What is the median household income in Williamsville, NY?
- $98,850 inside Williamsville village limits, per the Census Bureau. Across its ZIP codes the medians run from $101,615 to $101,615.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.