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Mason township, Cass County, Michigan Population by Age

The median age in Mason township, Cass County, Michigan is 32.8, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 27.98% were under the age of 15, 18.29% aged 15 to 29, 37.62% aged 30 to 64, 15.08% aged 65 to 84, and 1.02% were 85 years of age and older.
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By Neilsberg Research
Updated Feb 22, 2025

Mason township, Cass County, Michigan population age distributions

A complete breakdown of Mason township'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 235 8.28%
5 to 9 years 318 11.21%
10 to 14 years 241 8.49%
15 to 19 years 197 6.94%
20 to 24 years 139 4.9%
25 to 29 years 183 6.45%
30 to 34 years 196 6.91%
35 to 39 years 182 6.42%
40 to 44 years 153 5.39%
45 to 49 years 185 6.52%
50 to 54 years 112 3.95%
55 to 59 years 129 4.55%
60 to 64 years 110 3.88%
65 to 69 years 183 6.45%
70 to 74 years 99 3.49%
75 to 79 years 54 1.9%
80 to 84 years 92 3.24%
85 years and over 29 1.02%
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Mason township, Cass County, Michigan population by age group

Key stats
1,130
Population under 25 years
714
Population aged 25-44
536
Population aged 45-64
457
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023

FIGURE 1

Mason township, Cass County, Michigan population by age group.

The largest age group is 5 to 9 years with a population of 318 (11.21% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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The largest age group in Mason township, Cass County, Michigan was for the group of age 5 to 9 years with a population of 318 (11.21%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Mason township, Cass County, Michigan was the 85 years and over with a population of 29 (1.02%).

Mason township, Cass County, Michigan population by age cohort

To better understand the age distribution of Mason township, Cass County, Michigan'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

FIGURE 2

Mason township, Cass County, Michigan population by age cohort

The largest age group was 18 to 64 years with a population of 1,460 (51.46% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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Mason township, Cass County, Michigan population by age cohort

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

Age Group Population % of Total Population
Under 18 years 920 32.43%
18 to 64 years 1,460 51.46%
65 years and over 457 16.11%
Exploring Mason township's Diversity? Request Customized Data Now!

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

  • Mason township 's population under 18 was 32.43%, compared to the 22.16% nationwide.
  • Mason township's working population (between 18 and 64) was 51.46%, compared to 61% nationwide.
  • Mason township's elderly or the senior population (over 65 age) was 16.11% as compared to 16.84% nationwide.

Mason township, Cass County, Michigan population pyramid

Population pyramid for Mason township, Cass County, Michigan 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 Mason township's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Mason township, Cass County, Michigan, is 50.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Mason township, Cass County, Michigan, is 28.8.
  • Total dependency ratio for Mason township, Cass County, Michigan is 78.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Mason township, Cass County, Michigan is 3.5.

FIGURE 3

Mason township, Cass County, Michigan population pyramid

Mason township population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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Mason township, Cass County, Michigan population pyramid

Here's the Mason township, Cass County, Michigan's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 98 137 235
5 to 9 years 140 178 318
10 to 14 years 99 142 241
15 to 19 years 103 94 197
20 to 24 years 79 60 139
25 to 29 years 80 103 183
30 to 34 years 81 115 196
35 to 39 years 82 100 182
40 to 44 years 74 79 153
45 to 49 years 103 82 185
50 to 54 years 85 27 112
55 to 59 years 40 89 129
60 to 64 years 67 43 110
65 to 69 years 79 104 183
70 to 74 years 62 37 99
75 to 79 years 19 35 54
80 to 84 years 27 65 92
85 years and over 12 17 29
Exploring Mason township's Diversity? Request Customized Data Now!

Things to know

What is the population of Mason township, Cass County, Michigan under 18?

Mason township's population under the age of 18 is 920, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 32.43% of the total resident population of Mason township, Cass County, Michigan.

What is the aging population in Mason township, Cass County, Michigan?

Mason township's population aged 65 years and above was 457. As per the U.S. Census Bureau's American Community Survey, this population is 16.11% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
Mason township, Cass County, Michigan Age Group Population Dataset: A Complete Breakdown of Mason township Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Mason township, Cass County, Michigan was for the group of age 5 to 9 years years with a population of 318 (11.21%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Mason township, Cass County, Michigan was the 85 years and over years with a population of 29 (1.02%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Mason township is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Mason township 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 Mason township Population by Age. You can refer the same here

Mason township, Cass County, Michigan Age Cohorts Dataset: Children, Working Adults, and Seniors in Mason township - Population and Percentage Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the Mason township 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 Mason township. 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 18 to 64 years with a poulation of 1,460 (51.46% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Mason township population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Mason township is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Mason township 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 Mason township Population by Age. You can refer the same here

Mason township, Cass County, Michigan Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Mason township, Cass County, Michigan population pyramid, which represents the Mason township population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Mason township, Cass County, Michigan, is 50.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Mason township, Cass County, Michigan, is 28.8.
  • Total dependency ratio for Mason township, Cass County, Michigan is 78.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Mason township, Cass County, Michigan is 3.5.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Mason township population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Mason township for the selected age group is shown in the following column.
  • Population (Female): The female population in the Mason township for the selected age group is shown in the following column.
  • Total Population: The total population of the Mason township 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 Mason township 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.

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Collection 5 Resources