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Williamstown, Berkshire County, Massachusetts

Census designated place in Berkshire County, Massachusetts · ZIP 01267

  • Berkshire County
  • Within Williamstown Town
  • Census data · ACS 2019-2023
  • 1 public schools
  • 4,352 (2019-2023 estimate)Population
  • 1,211Households
  • $82,917Median household income
  • $436,900Median home value
  • 1Public schools
  • 1ZIP codes

About Williamstown

This page shows only what has been published about Williamstown: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−9.4%
4.2k4.4k4.6k4.8k2000: 4,75420002010: 4,32520102020: 4,30820204,7544,308
Population of Williamstown at each census
CensusPopulation
20004,754
20104,325
20204,308

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 25, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 25, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 25, retrieved November 14, 2026.

Household income in Williamstown
Under $50k38%
$50k to $100k16.6%
$100k to $150k15.9%
$150k to $200k9.4%
$200k and over20.1%

Median household income $82,917 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 25, retrieved November 14, 2026.

Housing tenure in Williamstown
Owner occupied
700 units
Renter occupied
511 units
Vacancy rate
19.2%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 25, retrieved November 14, 2026.

Williamstown compared with its county and state
Williamstown compared with its county and state, American Community Survey 2019-2023
MeasureWilliamstownBerkshire CountyMassachusetts
Population4,352128,0476,992,395
Median household income$82,917$72,565$101,341
Median age21.947.840.0
Median home value$436,900$283,800$525,800
Bachelor’s degree or higher74.4%38.3%46.6%
Foreign-born residents11.1%6.0%17.7%
Owner-occupied homes57.8%70.0%62.6%
Mean commute to work11.2 minutes20.7 minutes29.3 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 25, retrieved November 14, 2026.

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Schools

Public schools in Williamstown1
Public schools in Williamstown, NCES directory 2023–2024
SchoolTypeGradesDistrict
Williamstown ElementaryPublicPre-K–6Mount Greylock

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

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Nearby towns

Other towns in Berkshire County

All towns in Berkshire County

Other places named Williamstown in Massachusetts