Williamstown Flag

Williamstown

County Seat:
No
Area (mi²):
3.398
State:
Massachusetts

Williamstown is a CDP located in Berkshire County, Massachusetts. Williamstown has a 2026 population of 4,358. Williamstown is currently growing at a rate of 0.05% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Williamstown is $97,917 with a poverty rate of 17.98%. The median age in Williamstown is 21.9 years: 22.3 years for males, and 21.9 years for females. For every 100 females there are 80.5 males.

4.4K
Total Population
1,282
Density (mi²)
2 0.05%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,35820.05%
20254,35620.05%

Median Age

Overall: 21.9 years
Female: 21.9 years
Male: 22.3 years

Williamstown Adults

There are 4,415 adults, (764 of whom are seniors) in Williamstown.

Sex Ratio

Female: 2,809 (55.4%)
Male: 2,261 (44.6%)

Demographics

The racial composition of Williamstown includes 72.25% White, 7.65% Asian, 5.92% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,66372.25%
Two or more races57111.26%
Asian3887.65%
Black or African American3005.92%
Other race1482.92%
Race
Population ↓
Percentage (of total)
Two or more races1933.81%
Other race681.34%
White350.69%
Black or African American220.43%
Race
Population ↓
Percentage (of total)
White3,62871.56%
Asian3887.65%
Two or more races3787.46%
Black or African American2785.48%
Other race801.58%

Williamstown Marital Status

Economics and Income Statistics

Williamstown 's average per capita income is $85,383. Household income levels show a median of $97,917. The poverty rate stands at 17.98%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$221,080-
Families$160,833$253,124
Households$97,917$160,463
Non Families-$86,216

$85,383

Average Income

$97,917

Median Household Income

17.98%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)