Ontwa Township, Michigan Population by Age

The median age in Ontwa Township, Michigan is 46.0, as per 2021 ACS 5-Year Estimates. Of the total population, 18.96% were under the age of 15, 13.18% aged 15 to 29, 48.46% aged 30 to 64, 17.31% aged 65 to 84, and 2.10% were 85 years of age and older.
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Updated Sep 17, 2023

Ontwa Township, Michigan population age distribution

A complete breakdown of Ontwa 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 488 7.11%
5 to 9 years 298 4.34%
10 to 14 years 516 7.51%
15 to 19 years 408 5.94%
20 to 24 years 160 2.33%
25 to 29 years 337 4.91%
30 to 34 years 371 5.4%
35 to 39 years 409 5.96%
40 to 44 years 353 5.14%
45 to 49 years 511 7.44%
50 to 54 years 488 7.11%
55 to 59 years 592 8.62%
60 to 64 years 604 8.79%
65 to 69 years 443 6.45%
70 to 74 years 363 5.29%
75 to 79 years 221 3.22%
80 to 84 years 162 2.36%
85 years and over 144 2.1%
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Ontwa Township, Michigan population by age group

Key stats
1,870
Population under 25 years
1,470
Population aged 25-44
2,195
Population aged 45-64
1,333
Population aged 65+

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

The graph shows Ontwa township'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
Ontwa Township, Michigan population by age group. The largest age group was 60-64 years with a poulation of 604 (8.79% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Ontwa Township, Michigan was for the group of age 60-64 years with a population of 604 (8.79%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Ontwa Township, Michigan was the 85+ years with a population of 144 (2.10%).

Ontwa Township, Michigan population by age cohort

To better understand the age distribution of Ontwa Township, 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
The pie chart shows Ontwa township'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.
Ontwa Township, Michigan 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 4,031 (58.69% 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 1,504 21.9%
18 to 64 years 4,031 58.69%
85 years and over 1,333 19.41%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Ontwa township's population under 18 was 21.90%, compared to the 22.51% nationwide.
  • Ontwa township's working population (between 18 and 64) was 58.69%, compared to 61.45% nationwide.
  • Ontwa township's elderly or the senior population (over 65 age) was 19.41% as compared to 16.04% nationwide.

Ontwa Township, Michigan population pyramid

Population pyramid for Ontwa Township, 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 Ontwa township's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Ontwa Township, Michigan, is 30.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ontwa Township, Michigan, is 31.5.
  • Total dependency ratio for Ontwa Township, Michigan is 62.2.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Ontwa Township, Michigan is 3.2.
The graph shows Ontwa township'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.
Ontwa Township, Michigan population pyramid i.e. Ontwa township population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Ontwa Township, Michigan's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 258 230 488
5 to 9 years 143 155 298
10 to 14 years 262 254 516
15 to 19 years 118 290 408
20 to 24 years 72 88 160
25 to 29 years 133 204 337
30 to 34 years 221 150 371
35 to 39 years 170 239 409
40 to 44 years 201 152 353
45 to 49 years 340 171 511
50 to 54 years 249 239 488
55 to 59 years 221 371 592
60 to 64 years 270 334 604
65 to 69 years 262 181 443
70 to 74 years 96 267 363
75 to 79 years 110 111 221
80 to 84 years 36 126 162
85 years and over 72 72 144
Exploring Ontwa township's Diversity? Request Customized Data Now!

Things to know

What is the population of Ontwa Township, Michigan under 18?

Ontwa township's population under the age of 18 is 1,504, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.90% of the total resident population of Ontwa Township, Michigan.

What is the aging population in Ontwa Township, Michigan?

Ontwa township's population aged 65 years and above was 1,333. As per the U.S. Census Bureau's American Community Survey, this population is 19.41% of the entire population.

References

Datasets

Explore datasets by year of publication.
2023
Ontwa Township, Michigan Age Group Population Dataset: A complete breakdown of Ontwa township 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 Ontwa 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 Ontwa township. The dataset can be utilized to understand the population distribution of Ontwa township by age. For example, using this dataset, we can identify the largest age group in Ontwa township.

Key observations

The largest age group in Ontwa Township, Michigan was for the group of age 60-64 years with a population of 604 (8.79%), according to the 2021 American Community Survey. At the same time, the smallest age group in Ontwa Township, Michigan was the 85+ years with a population of 144 (2.10%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Ontwa Township, Michigan Age Cohorts Dataset: Children, Working Adults, and Seniors in Ontwa township - 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 Ontwa 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 Ontwa 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 $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.

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

Ontwa Township, Michigan 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 Ontwa Township, Michigan population pyramid, which represents the Ontwa township 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 Ontwa Township, Michigan, is 30.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ontwa Township, Michigan, is 31.5.
  • Total dependency ratio for Ontwa Township, Michigan is 62.2.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Ontwa Township, Michigan is 3.2.

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

About the author

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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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