Williamstown Demographics: Population Trends and Community Profile
Williamstown is a community defined by its rural character and a steady history of growth. From its early days in the 19th century to the modern era, the town has evolved from a small settlement into a stable residential hub. By analyzing census data, we can gain a clear picture of the town's social fabric, housing trends, and economic landscape.
The town is characterized by a 100% rural residency rate, meaning no residents live in urban areas. This rural identity shapes the daily lives of its citizens and the overall development of the region.

Key Facts
- Current Population: Estimated at 3,971 residents as of 2024.
- Rural Status: 100% of the population resides in rural areas.
- Median Age: 36.0 years (as of the 2020 Census).
- Housing: 1,527 housing units with a 12.4% vacancy rate.
- Demographic Majority: 91.7% of the population identifies as White.
Population Growth and Historical Trends
Williamstown's population has seen significant fluctuations over the last two centuries. Starting with 197 residents in 1830, the town experienced a massive surge between 1870 and 1880, where the population grew by 167.3% to reach 751 people.
The 20th century brought more consistent growth. The population surpassed the 1,000-resident mark by 1940 and continued to climb steadily through the 1990s. While there was a slight dip of 0.8% between 2010 and 2020, recent estimates suggest a return to growth, with the 2024 population estimated at 3,971.
| Census Year | Population | Percentage Change |
|---|---|---|
| 1830 | 197 | — |
| 1880 | 751 | 167.3% |
| 1920 | 836 | 4.5% |
| 1960 | 1,611 | 9.9% |
| 2000 | 3,227 | 6.7% |
| 2020 | 3,894 | -0.8% |
| 2024 (est.) | 3,971 | 2.0% |
Community Composition and Household Dynamics
Age and Gender
As of the 2020 census, the median age in Williamstown was 36.0 years. The population is distributed across generations, with 26.5% of residents under the age of 18 and 15.1% aged 65 or older. In terms of gender balance, there were 95.8 males for every 100 females.
Household Structure
There are 1,337 households in the community. Family structures vary, with 45.0% being married-couple households. Single-parent households are also present, with 16.1% featuring a male householder and 30.2% featuring a female householder, both without a spouse or partner. Approximately 26.6% of households consist of individuals living alone, and 12.2% of all households are individuals aged 65 or older living alone.
Race and Ethnicity
The racial composition of Williamstown is predominantly White, making up 91.7% of the population. Other groups include those identifying as two or more races (5.5%), Hispanic or Latino of any race (3.1%), Black or African American (1.2%), and other races (1.2%). Smaller percentages identify as Asian (0.3%), American Indian and Alaska Native (0.1%), and Native Hawaiian and Other Pacific Islander (0.1%).
Housing and Economic Indicators
Housing availability remains a key metric for the town. With 1,527 total housing units, the overall vacancy rate stands at 12.4%. This is split between a 2.6% homeowner vacancy rate and a 5.4% rental vacancy rate.
Economic data from the 2010 census provides a baseline for the town's financial landscape. At that time, the median household income was $33,750, while the median family income was higher at $44,808. A gender pay gap was noted, with males earning a median income of $31,466 compared to $21,492 for females. The per capita income was $17,945, and 15.4% of the population lived below the poverty line.
Frequently Asked Questions
What is the current estimated population of Williamstown?
As of 2024, the estimated population of Williamstown is 3,971 residents.
Is Williamstown considered an urban or rural area?
Williamstown is entirely rural, with 100% of its residents living in rural areas and 0.0% in urban areas.
What is the median age of the residents?
According to the 2020 census, the median age in Williamstown is 36.0 years.
What percentage of the population identifies as Hispanic or Latino?
As of the 2020 census, 3.1% of the population identifies as Hispanic or Latino of any race.
What is the vacancy rate for housing in Williamstown?
The overall housing vacancy rate is 12.4%, with rental vacancies at 5.4% and homeowner vacancies at 2.6%.