About 01267 - Williamstown, Massachusetts
Located in Massachusetts, the United States is home to the mid-sized community of Williamstown, served by ZIP code 01267. It sits within Williamstown County County.
Census data puts the population of this ZIP code at 34,790 residents. That's noticeably above the average for a Massachusetts ZIP code, which sits near 21,659 people.
Median household income is about $80,800 (near the Massachusetts average).
Other ZIP code codes in Massachusetts serve areas such as Templeton, Dighton, Manchester.