Columbia Falls, MT Population by Age

The median age in Columbia Falls, MT is 38.3, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 20.12% were under the age of 15, 15.81% aged 15 to 29, 52.43% aged 30 to 64, 10.97% aged 65 to 84, and 0.67% were 85 years of age and older.
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Updated Feb 22, 2025

Columbia Falls, MT population age distributions

A complete breakdown of Columbia Falls'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 364 6.58%
5 to 9 years 415 7.5%
10 to 14 years 334 6.04%
15 to 19 years 365 6.6%
20 to 24 years 382 6.91%
25 to 29 years 127 2.3%
30 to 34 years 373 6.74%
35 to 39 years 656 11.86%
40 to 44 years 479 8.66%
45 to 49 years 258 4.66%
50 to 54 years 443 8.01%
55 to 59 years 294 5.32%
60 to 64 years 397 7.18%
65 to 69 years 202 3.65%
70 to 74 years 102 1.84%
75 to 79 years 219 3.96%
80 to 84 years 84 1.52%
85 years and over 37 0.67%
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Columbia Falls, MT population by age group

Key stats
1,860
Population under 25 years
1,635
Population aged 25-44
1,392
Population aged 45-64
644
Population aged 65+

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

FIGURE 1

Columbia Falls, MT population by age group.

The largest age group is 35 to 39 years with a population of 656 (11.86% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

The largest age group in Columbia Falls, MT was for the group of age 35 to 39 years with a population of 656 (11.86%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Columbia Falls, MT was the 85 years and over with a population of 37 (0.67%).

Columbia Falls, MT population by age cohort

To better understand the age distribution of Columbia Falls, MT'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

Columbia Falls, MT population by age cohort

The largest age group was 18 to 64 years with a population of 3,548 (64.15% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Columbia Falls, MT population by age cohort

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

Age Group Population % of Total Population
Under 18 years 1,339 24.21%
18 to 64 years 3,548 64.15%
65 years and over 644 11.64%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Columbia Falls 's population under 18 was 24.21%, compared to the 22.16% nationwide.
  • Columbia Falls's working population (between 18 and 64) was 64.15%, compared to 61% nationwide.
  • Columbia Falls's elderly or the senior population (over 65 age) was 11.64% as compared to 16.84% nationwide.

Columbia Falls, MT population pyramid

Population pyramid for Columbia Falls, MT 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 Columbia Falls's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Columbia Falls, MT, is 29.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Columbia Falls, MT, is 17.1.
  • Total dependency ratio for Columbia Falls, MT is 46.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Columbia Falls, MT is 5.9.

FIGURE 3

Columbia Falls, MT population pyramid

Columbia Falls 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.

Columbia Falls, MT population pyramid

Here's the Columbia Falls, MT's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 196 168 364
5 to 9 years 339 76 415
10 to 14 years 87 247 334
15 to 19 years 205 160 365
20 to 24 years 160 222 382
25 to 29 years 51 76 127
30 to 34 years 139 234 373
35 to 39 years 334 322 656
40 to 44 years 288 191 479
45 to 49 years 163 95 258
50 to 54 years 152 291 443
55 to 59 years 158 136 294
60 to 64 years 163 234 397
65 to 69 years 127 75 202
70 to 74 years 36 66 102
75 to 79 years 131 88 219
80 to 84 years 25 59 84
85 years and over 12 25 37
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Things to know

What is the population of Columbia Falls, MT under 18?

Columbia Falls's population under the age of 18 is 1,339, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.21% of the total resident population of Columbia Falls, MT.

What is the aging population in Columbia Falls, MT?

Columbia Falls's population aged 65 years and above was 644. As per the U.S. Census Bureau's American Community Survey, this population is 11.64% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
Columbia Falls, MT Age Group Population Dataset: A Complete Breakdown of Columbia Falls 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 Columbia Falls 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 Columbia Falls. The dataset can be utilized to understand the population distribution of Columbia Falls by age. For example, using this dataset, we can identify the largest age group in Columbia Falls.

Key observations

The largest age group in Columbia Falls, MT was for the group of age 35 to 39 years years with a population of 656 (11.86%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Columbia Falls, MT was the 85 years and over years with a population of 37 (0.67%). 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 Columbia Falls is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Columbia Falls 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 Columbia Falls Population by Age. You can refer the same here

Columbia Falls, MT Age Cohorts Dataset: Children, Working Adults, and Seniors in Columbia Falls - 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 Columbia Falls 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 Columbia Falls. 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 3,548 (64.15% 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 Columbia Falls population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Columbia Falls is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Columbia Falls 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 Columbia Falls Population by Age. You can refer the same here

Columbia Falls, MT 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 Columbia Falls, MT population pyramid, which represents the Columbia Falls 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 Columbia Falls, MT, is 29.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Columbia Falls, MT, is 17.1.
  • Total dependency ratio for Columbia Falls, MT is 46.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Columbia Falls, MT is 5.9.
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 Columbia Falls population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Columbia Falls for the selected age group is shown in the following column.
  • Population (Female): The female population in the Columbia Falls for the selected age group is shown in the following column.
  • Total Population: The total population of the Columbia Falls 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 Columbia Falls 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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Population of places that contain Columbia Falls

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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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