Williamstown, MA 01267 ZIP Code Profile

Related Place Profiles:
Williamstown, MA

ZIP Code 01267: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Williamstown, MA 01267

Not Acceptable, USPS
Williamstn, MA 01267
Wmstown, MA 01267

  • ZIP Code Type: STANDARD
  • County: Berkshire County
  • Centroid: Latitude 42.699, Longitude -73.21
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 394
  • PO Box Addresses: 194
  • Residential Addresses: 2,974
    • Multi-Family Addresses: 391
    • Single Family Addresses: 2,583

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


Williamstown, MA 01267 Data & Demographics (As of July 1, 2018)


Total Population 8,059
Population in Households 5,873
Population in Familes 4,528
Population in Group Qrtrs 2,186
Population Density2 133
Diversity Index3 35


Median Household Income $84,153
Average Household Income $115,065
Per Capita Income $44,847


Total Housing Units 3,406 (100%)
Owner Occupied HU 2,071 (60.8%)
Renter Occupied HU 645 (18.9%)
Vacant Housing Units 690 (20.3%)
Median Home Value $413,787
Average Home Value $513,158


Total Households 2,716
Average Household Size 2.16
Family Households 1,655
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.18% -0.07%
Households -0.02% -0.05%
Families -0.08% -0.07%
Median Household Income   2.9%
Per Capita Income   2.56%

Williamstown, MA 01267 - Peer Comparisons by Rank and Percentile

The table below compares 01267 to the other 521 ZIP Codes in Massachusetts by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 285 45th
Population Density # 445 15th
Diversity Index # 180 66th
Median Household Income # 240 54th
Per Capita Income # 199 62nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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