Williamstown, Massachusetts Population by Age

The median age in Williamstown, Massachusetts is 30.2, as per 2021 ACS 5-Year Estimates. Of the total population, 8.91% were under the age of 15, 40.94% aged 15 to 29, 28.35% aged 30 to 64, 18.59% aged 65 to 84, and 3.22% were 85 years of age and older.
Neilsberg Research Avatar
Updated Sep 17, 2023

Williamstown, Massachusetts population age distribution

A complete breakdown of Williamstown town's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.

Age Group Population % of Total Population
Under 5 years 249 3.24%
5 to 9 years 191 2.49%
10 to 14 years 244 3.18%
15 to 19 years 1,547 20.15%
20 to 24 years 1,428 18.6%
25 to 29 years 168 2.19%
30 to 34 years 338 4.4%
35 to 39 years 219 2.85%
40 to 44 years 302 3.93%
45 to 49 years 218 2.84%
50 to 54 years 312 4.06%
55 to 59 years 357 4.65%
60 to 64 years 431 5.61%
65 to 69 years 478 6.23%
70 to 74 years 505 6.58%
75 to 79 years 217 2.83%
80 to 84 years 227 2.96%
85 years and over 247 3.22%
Exploring Williamstown town's Diversity? Request Customized Data Now!

Williamstown, Massachusetts population by age group

Key stats
3,659
Population under 25 years
1,027
Population aged 25-44
1,318
Population aged 45-64
1,674
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The graph shows Williamstown town's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Williamstown, Massachusetts population by age group. The largest age group was 15-19 years with a poulation of 1,547 (20.15% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Williamstown, Massachusetts was for the group of age 15-19 years with a population of 1,547 (20.15%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Williamstown, Massachusetts was the 25-29 years with a population of 168 (2.19%).

Williamstown, Massachusetts population by age cohort

To better understand the age distribution of Williamstown, Massachusetts's population, we divided it into the following 3 cohorts:

  • Children : Under the age of 18 years
  • Adults (working population): Between the age of 18 and 64 years
  • Seniors: 65 years and above
The pie chart shows Williamstown town's population divided into segments, with each segment representing an age cohort. The area of each segment is in the same proportion of a circle as the population of the cohort is of the total population.
Williamstown, Massachusetts population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). The largest age group was 18 - 64 years with a poulation of 4,813 (62.69% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the population for each of the three cohorts.

Age Group Population % of Total Population
Under 18 years 1,191 15.51%
18 to 64 years 4,813 62.69%
85 years and over 1,674 21.8%
Exploring Williamstown town's Diversity? Request Customized Data Now!

Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Williamstown town's population under 18 was 15.51%, compared to the 22.51% nationwide.
  • Williamstown town's working population (between 18 and 64) was 62.69%, compared to 61.45% nationwide.
  • Williamstown town's elderly or the senior population (over 65 age) was 21.80% as compared to 16.04% nationwide.

Williamstown, Massachusetts population pyramid

Population pyramid for Williamstown, Massachusetts is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.

Key stats from our analysis of the Williamstown town's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Williamstown, Massachusetts, is 12.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Williamstown, Massachusetts, is 31.5.
  • Total dependency ratio for Williamstown, Massachusetts is 44.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Williamstown, Massachusetts is 3.2.
The graph shows Williamstown town's population across different age group and gender, with population on x-axis and population y-axis. The male population is plotted on the left in blue color whereas the female population is plotted on the right in pink color.
Williamstown, Massachusetts population pyramid i.e. Williamstown town population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Williamstown, Massachusetts's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 97 152 249
5 to 9 years 54 137 191
10 to 14 years 148 96 244
15 to 19 years 791 756 1,547
20 to 24 years 674 754 1,428
25 to 29 years 81 87 168
30 to 34 years 122 216 338
35 to 39 years 110 109 219
40 to 44 years 77 225 302
45 to 49 years 97 121 218
50 to 54 years 151 161 312
55 to 59 years 162 195 357
60 to 64 years 218 213 431
65 to 69 years 172 306 478
70 to 74 years 214 291 505
75 to 79 years 129 88 217
80 to 84 years 89 138 227
85 years and over 126 121 247
Exploring Williamstown town's Diversity? Request Customized Data Now!

Things to know

What is the population of Williamstown, Massachusetts under 18?

Williamstown town's population under the age of 18 is 1,191, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 15.51% of the total resident population of Williamstown, Massachusetts.

What is the aging population in Williamstown, Massachusetts?

Williamstown town's population aged 65 years and above was 1,674. As per the U.S. Census Bureau's American Community Survey, this population is 21.80% of the entire population.

References

Datasets

Explore datasets by year of publication.
2023
Williamstown, Massachusetts Age Group Population Dataset: A complete breakdown of Williamstown town age demographics from 0 to 85 years, distributed across 18 age groups
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Williamstown town population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for Williamstown town. The dataset can be utilized to understand the population distribution of Williamstown town by age. For example, using this dataset, we can identify the largest age group in Williamstown town.

Key observations

The largest age group in Williamstown, Massachusetts was for the group of age 15-19 years with a population of 1,547 (20.15%), according to the 2021 American Community Survey. At the same time, the smallest age group in Williamstown, Massachusetts was the 25-29 years with a population of 168 (2.19%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Williamstown town population by age group

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group in consideration
  • Population: The population for the specific age group in the Williamstown town is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Williamstown town total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Williamstown town Population by Age. You can refer the same here

Williamstown, Massachusetts Age Cohorts Dataset: Children, Working Adults, and Seniors in Williamstown town - Population and Percentage Analysis
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Williamstown town population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). It lists the population in each age cohort group along with its percentage relative to the total population of Williamstown town. The dataset can be utilized to understand the population distribution across children, working population and senior population for dependency ratio, housing requirements, ageing, migration patterns etc.

Key observations

The largest age group was $b3_v1 with a poulation of $b3_v2 ($b3_v3 of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Williamstown town population by age cohort

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age cohorts:

  • Under 18 years
  • 18 to 64 years
  • 65 years and over

Variables / Data Columns

  • Age Group: This column displays the age cohort for the Williamstown town population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Williamstown town is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Williamstown town is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Williamstown town Population by Age. You can refer the same here

Williamstown, Massachusetts Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Williamstown, Massachusetts population pyramid, which represents the Williamstown town population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey 5-Year estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Williamstown, Massachusetts, is 12.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Williamstown, Massachusetts, is 31.5.
  • Total dependency ratio for Williamstown, Massachusetts is 44.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Williamstown, Massachusetts is 3.2.

Williamstown town population pyramid

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group for the Williamstown town population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Williamstown town for the selected age group is shown in the following column.
  • Population (Female): The female population in the Williamstown town for the selected age group is shown in the following column.
  • Total Population: The total population of the Williamstown town for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Williamstown town Population by Age. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

About the author

Neilsberg Research Avatar
Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.