Columbus township, St. Clair County, Michigan Population by Age

The median age in Columbus township, St. Clair County, Michigan is 45.0, as per 2021 ACS 5-Year Estimates. Of the total population, 16.57% were under the age of 15, 18.87% aged 15 to 29, 50.62% aged 30 to 64, 13.54% aged 65 to 84, and 0.39% were 85 years of age and older.
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Updated Sep 17, 2023

Columbus township, St. Clair County, Michigan population age distribution

A complete breakdown of Columbus 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 188 4.6%
5 to 9 years 228 5.58%
10 to 14 years 261 6.39%
15 to 19 years 238 5.83%
20 to 24 years 287 7.03%
25 to 29 years 246 6.02%
30 to 34 years 193 4.72%
35 to 39 years 130 3.18%
40 to 44 years 276 6.76%
45 to 49 years 212 5.19%
50 to 54 years 322 7.88%
55 to 59 years 512 12.53%
60 to 64 years 423 10.35%
65 to 69 years 206 5.04%
70 to 74 years 186 4.55%
75 to 79 years 89 2.18%
80 to 84 years 72 1.76%
85 years and over 16 0.39%
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Columbus township, St. Clair County, Michigan population by age group

Key stats
1,202
Population under 25 years
845
Population aged 25-44
1,469
Population aged 45-64
569
Population aged 65+

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

The graph shows Columbus 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
Columbus township, St. Clair County, Michigan population by age group. The largest age group was 55-59 years with a poulation of 512 (12.53% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Columbus township, St. Clair County, Michigan was for the group of age 55-59 years with a population of 512 (12.53%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Columbus township, St. Clair County, Michigan was the 85+ years with a population of 16 (0.39%).

Columbus township, St. Clair County, Michigan population by age cohort

To better understand the age distribution of Columbus township, St. Clair 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
The pie chart shows Columbus 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.
Columbus township, St. Clair County, 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 2,716 (66.49% 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 800 19.58%
18 to 64 years 2,716 66.49%
85 years and over 569 13.93%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Columbus township's population under 18 was 19.58%, compared to the 22.51% nationwide.
  • Columbus township's working population (between 18 and 64) was 66.49%, compared to 61.45% nationwide.
  • Columbus township's elderly or the senior population (over 65 age) was 13.93% as compared to 16.04% nationwide.

Columbus township, St. Clair County, Michigan population pyramid

Population pyramid for Columbus township, St. Clair 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 Columbus township's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Columbus township, St. Clair County, Michigan, is 23.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Columbus township, St. Clair County, Michigan, is 20.0.
  • Total dependency ratio for Columbus township, St. Clair County, Michigan is 43.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Columbus township, St. Clair County, Michigan is 5.0.
The graph shows Columbus 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.
Columbus township, St. Clair County, Michigan population pyramid i.e. Columbus township population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Columbus township, St. Clair County, Michigan's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 74 114 188
5 to 9 years 172 56 228
10 to 14 years 174 87 261
15 to 19 years 71 167 238
20 to 24 years 168 119 287
25 to 29 years 93 153 246
30 to 34 years 107 86 193
35 to 39 years 94 36 130
40 to 44 years 133 143 276
45 to 49 years 141 71 212
50 to 54 years 161 161 322
55 to 59 years 234 278 512
60 to 64 years 246 177 423
65 to 69 years 127 79 206
70 to 74 years 99 87 186
75 to 79 years 49 40 89
80 to 84 years 45 27 72
85 years and over 0 16 16
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Things to know

What is the population of Columbus township, St. Clair County, Michigan under 18?

Columbus township's population under the age of 18 is 800, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.58% of the total resident population of Columbus township, St. Clair County, Michigan.

What is the aging population in Columbus township, St. Clair County, Michigan?

Columbus township's population aged 65 years and above was 569. As per the U.S. Census Bureau's American Community Survey, this population is 13.93% of the entire population.

References

Datasets

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

Key observations

The largest age group in Columbus township, St. Clair County, Michigan was for the group of age 55-59 years with a population of 512 (12.53%), according to the 2021 American Community Survey. At the same time, the smallest age group in Columbus township, St. Clair County, Michigan was the 85+ years with a population of 16 (0.39%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Columbus township, St. Clair County, Michigan Age Cohorts Dataset: Children, Working Adults, and Seniors in Columbus 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 Columbus 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 Columbus 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.

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

Columbus township, St. Clair County, 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 Columbus township, St. Clair County, Michigan population pyramid, which represents the Columbus 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 Columbus township, St. Clair County, Michigan, is 23.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Columbus township, St. Clair County, Michigan, is 20.0.
  • Total dependency ratio for Columbus township, St. Clair County, Michigan is 43.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Columbus township, St. Clair County, Michigan is 5.0.

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