Williamstown, MA ZIP Codes
One ZIP code serves Williamstown, Massachusetts: 01267. Together they are home to 9,633 residents in 3,425 households. That is more than the 5,070 people counted inside Williamstown Census-designated place, because these ZIP codes reach past its boundary.
Williamstown Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 5,070 |
| Households | 1,534 |
| Median household income | $97,917 |
| Median home value | $439,300 |
| Median age | 21.9 |
| Median rent | $1,424 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 9,633 |
| Households (sum of ZIP codes) | 3,425 |
| Median household income, range across ZIP codes | $106,375 (01267) to $106,375 (01267) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $106,375 |
| Homeowners | 74.6% |
| Households with kids under 18 | 20.2% |
| Moved in the past year | 24.2% |
| Carrier routes in EDDM2GO's route library | 9 routes, 3,126 homes (1 of 1 ZIP codes) |
Every ZIP code in Williamstown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 01267 | Williamstown | 9,633 | 3,425 | $106,375 | $429,800 | 74.6% | 20.2% | 24.2% | 9 | 3,412 | 6% of its land; mailing city |
A ZIP code is listed for Williamstown when at least 10% of its land lies inside the Williamstown Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Williamstown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Williamstown.
Counties
- Berkshire County — 33 ZIP codes
Price a mailing to Williamstown ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Williamstown, MA?
- 01267. A ZIP code is listed for Williamstown when at least 10% of its land lies inside the Williamstown Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Williamstown.
- What is the population of Williamstown, MA?
- The Census Bureau counts 5,070 residents inside Williamstown Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Williamstown hold 9,633 residents in all.
- What is the median household income in Williamstown, MA?
- $97,917 inside Williamstown Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $106,375 to $106,375.
- How many carrier routes and mailboxes are in Williamstown, MA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 9 carrier routes reaching 3,126 residential and 286 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.