Overview
1,619
Total Population
30.7
Median age
42.80%
Female population %
133.6:100
Gender ratio (M:F)
0-4 years
Largest age group
49.8
Total dependency ratio
White
Largest racial group
13
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Williamstown town's population is young compared to the rest of the country:
- The median age in Williamstown town is 30.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Williamstown town's population under 18 was 29.09%, compared to the 22.51% nationwide.
- Williamstown town's elderly or the senior population (over 65 age) was 8.34% as compared to 16.04% nationwide.
- Of the total population in Williamstown town, 24.89% were under the age of 15, 21.93% aged 15 to 29, 44.84% aged 30 to 64, 8.21% aged 65 to 84, and 0.12% were 85 years of age and older.

Read more about Williamstown, New York population by age ➔
Gender
There are 233 less females than males in Williamstown town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 42.80% females and 57.20% males in Williamstown, New York.
- The Williamstown, New York gender ratio is 133.6:100 i.e. 133.6 men to 100 women (1.336).
- For male population, the largest age group is 0-4 years with a population of 140.
- For the female population, the largest age group is 50-54 years with a population of 82.

Read more about Williamstown, New York population by gender ➔
Race / Ethnicity
Williamstown town's population has become increasingly diverse:
- Racial distribution of Williamstown town population: 97.53% are White, 0.12% are American Indian and Alaska Native, 0.12% are some other race and 2.22% are multiracial.
- Williamstown town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 13 is Hispanic or Latino (of any race), and 1,606 (99.20% of the total population) is Non-Hispanic.
- The largest racial group in Williamstown town is White with a population of 1,579 (97.53% of the total population).

Read more about Williamstown, New York population by race ➔
Year by year
Williamstown town's population has already reached its peak and is showing a trend of decline:
- The peak population was 1,351 in the year 2000
- From 2000 to 2010, Williamstown town's population decreased by 75 (5.55%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Williamstown town's population increased by 56 (4.39%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Williamstown town's population was lowest in year 2018 at 1,248.

Read more about Williamstown, New York population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)