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Worcester County, MA Population by Age

The median age in Worcester County, MA is 40.2, as per 2021 ACS 5-Year Estimates. Of the total population, 17.20% were under the age of 15, 19.80% aged 15 to 29, 47.34% aged 30 to 64, 13.66% aged 65 to 84, and 2.00% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Worcester County, MA population age distribution

A complete breakdown of Worcester County'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 45,116 5.27%
5 to 9 years 48,798 5.69%
10 to 14 years 53,466 6.24%
15 to 19 years 58,808 6.86%
20 to 24 years 56,523 6.6%
25 to 29 years 54,300 6.34%
30 to 34 years 56,393 6.58%
35 to 39 years 53,303 6.22%
40 to 44 years 52,776 6.16%
45 to 49 years 57,011 6.65%
50 to 54 years 62,537 7.3%
55 to 59 years 64,247 7.5%
60 to 64 years 59,369 6.93%
65 to 69 years 45,414 5.3%
70 to 74 years 35,228 4.11%
75 to 79 years 21,316 2.49%
80 to 84 years 15,125 1.77%
85 years and over 17,128 2%
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TABLE OF CONTENTS

Worcester County, MA population by age group

Key stats
262,711
Population under 25 years
216,772
Population aged 25-44
243,164
Population aged 45-64
134,211
Population aged 65+

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

The graph shows Worcester County'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
Worcester County, MA population by age group. The largest age group was 55-59 years with a poulation of 64,247 (7.50% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Worcester County, MA was for the group of age 55-59 years with a population of 64,247 (7.50%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Worcester County, MA was the 80-84 years with a population of 15,125 (1.77%).

Worcester County, MA population by age cohort

To better understand the age distribution of Worcester County, MA'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 Worcester County'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.
Worcester County, MA 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 541,580 (63.21% 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 181,067 21.13%
18 to 64 years 541,580 63.21%
85 years and over 134,211 15.66%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Worcester County's population under 18 was 21.13%, compared to the 22.51% nationwide.
  • Worcester County's working population (between 18 and 64) was 63.21%, compared to 61.45% nationwide.
  • Worcester County's elderly or the senior population (over 65 age) was 15.66% as compared to 16.04% nationwide.

Worcester County, MA population pyramid

Population pyramid for Worcester County, MA 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 Worcester County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Worcester County, MA, is 25.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Worcester County, MA, is 23.3.
  • Total dependency ratio for Worcester County, MA is 48.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Worcester County, MA is 4.3.
The graph shows Worcester County'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.
Worcester County, MA population pyramid i.e. Worcester County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Worcester County, MA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 23,246 21,870 45,116
5 to 9 years 24,924 23,874 48,798
10 to 14 years 27,573 25,893 53,466
15 to 19 years 30,016 28,792 58,808
20 to 24 years 28,524 27,999 56,523
25 to 29 years 27,763 26,537 54,300
30 to 34 years 28,329 28,064 56,393
35 to 39 years 25,960 27,343 53,303
40 to 44 years 27,013 25,763 52,776
45 to 49 years 28,307 28,704 57,011
50 to 54 years 31,095 31,442 62,537
55 to 59 years 32,347 31,900 64,247
60 to 64 years 29,323 30,046 59,369
65 to 69 years 21,969 23,445 45,414
70 to 74 years 16,932 18,296 35,228
75 to 79 years 9,449 11,867 21,316
80 to 84 years 5,930 9,195 15,125
85 years and over 6,101 11,027 17,128
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Things to know

What is the population of Worcester County, MA under 18?

Worcester County's population under the age of 18 is 181,067, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.13% of the total resident population of Worcester County, MA.

What is the aging population in Worcester County, MA?

Worcester County's population aged 65 years and above was 134,211. As per the U.S. Census Bureau's American Community Survey, this population is 15.66% of the entire population.

References

Datasets

Worcester County, MA Age Group Population Dataset: A complete breakdown of Worcester County age demographics from 0 to 85 years, distributed across 18 age groups
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Worcester County 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 Worcester County. The dataset can be utilized to understand the population distribution of Worcester County by age. For example, using this dataset, we can identify the largest age group in Worcester County.

Key observations

The largest age group in Worcester County, MA was for the group of age 55-59 years with a population of 64,247 (7.50%), according to the 2021 American Community Survey. At the same time, the smallest age group in Worcester County, MA was the 80-84 years with a population of 15,125 (1.77%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Worcester County 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 Worcester County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Worcester County 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 Worcester County Population by Age. You can refer the same here

Worcester County, MA Age Cohorts Dataset: Children, Working Adults, and Seniors in Worcester County - Population and Percentage Analysis
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Worcester County 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 Worcester County. 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.

Worcester County 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 Worcester County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Worcester County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Worcester County 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 Worcester County Population by Age. You can refer the same here

Worcester County, MA Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Worcester County, MA population pyramid, which represents the Worcester County 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 Worcester County, MA, is 25.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Worcester County, MA, is 23.3.
  • Total dependency ratio for Worcester County, MA is 48.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Worcester County, MA is 4.3.

Worcester County 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 Worcester County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Worcester County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Worcester County for the selected age group is shown in the following column.
  • Total Population: The total population of the Worcester County 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 Worcester County Population by Age. You can refer the same here

Explore related topics

Worcester County, MA Demographics Worcester County, MA Population

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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Collection 5 Resources