Deer Lodge County, MT Population by Age

The median age in Deer Lodge County, MT is 48.4, as per 2021 ACS 5-Year Estimates. Of the total population, 10.17% were under the age of 15, 16.86% aged 15 to 29, 49.07% aged 30 to 64, 21.97% aged 65 to 84, and 1.93% were 85 years of age and older.
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Updated Sep 17, 2023

Deer Lodge County, MT population age distribution

A complete breakdown of Deer Lodge 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 299 3.19%
5 to 9 years 379 4.04%
10 to 14 years 276 2.94%
15 to 19 years 567 6.04%
20 to 24 years 479 5.11%
25 to 29 years 535 5.7%
30 to 34 years 581 6.19%
35 to 39 years 417 4.45%
40 to 44 years 779 8.3%
45 to 49 years 586 6.25%
50 to 54 years 630 6.72%
55 to 59 years 825 8.8%
60 to 64 years 785 8.37%
65 to 69 years 848 9.04%
70 to 74 years 577 6.15%
75 to 79 years 396 4.22%
80 to 84 years 240 2.56%
85 years and over 181 1.93%
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Deer Lodge County, MT population by age group

Key stats
2,000
Population under 25 years
2,312
Population aged 25-44
2,826
Population aged 45-64
2,242
Population aged 65+

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

The graph shows Deer Lodge 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
Deer Lodge County, MT population by age group. The largest age group was 65-69 years with a poulation of 848 (9.04% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Deer Lodge County, MT was for the group of age 65-69 years with a population of 848 (9.04%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Deer Lodge County, MT was the 85+ years with a population of 181 (1.93%).

Deer Lodge County, MT population by age cohort

To better understand the age distribution of Deer Lodge County, 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
The pie chart shows Deer Lodge 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.
Deer Lodge County, MT 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 5,867 (62.55% 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 1,271 13.55%
18 to 64 years 5,867 62.55%
85 years and over 2,242 23.9%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Deer Lodge County's population under 18 was 13.55%, compared to the 22.51% nationwide.
  • Deer Lodge County's working population (between 18 and 64) was 62.55%, compared to 61.45% nationwide.
  • Deer Lodge County's elderly or the senior population (over 65 age) was 23.90% as compared to 16.04% nationwide.

Deer Lodge County, MT population pyramid

Population pyramid for Deer Lodge County, 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 Deer Lodge County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Deer Lodge County, MT, is 15.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Deer Lodge County, MT, is 36.3.
  • Total dependency ratio for Deer Lodge County, MT is 51.7.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Deer Lodge County, MT is 2.8.
The graph shows Deer Lodge 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.
Deer Lodge County, MT population pyramid i.e. Deer Lodge County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Deer Lodge County, MT's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 210 89 299
5 to 9 years 174 205 379
10 to 14 years 155 121 276
15 to 19 years 433 134 567
20 to 24 years 231 248 479
25 to 29 years 279 256 535
30 to 34 years 296 285 581
35 to 39 years 236 181 417
40 to 44 years 360 419 779
45 to 49 years 317 269 586
50 to 54 years 365 265 630
55 to 59 years 382 443 825
60 to 64 years 407 378 785
65 to 69 years 454 394 848
70 to 74 years 293 284 577
75 to 79 years 159 237 396
80 to 84 years 121 119 240
85 years and over 96 85 181
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Things to know

What is the population of Deer Lodge County, MT under 18?

Deer Lodge County's population under the age of 18 is 1,271, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 13.55% of the total resident population of Deer Lodge County, MT.

What is the aging population in Deer Lodge County, MT?

Deer Lodge County's population aged 65 years and above was 2,242. As per the U.S. Census Bureau's American Community Survey, this population is 23.90% of the entire population.

References

Datasets

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

Key observations

The largest age group in Deer Lodge County, MT was for the group of age 65-69 years with a population of 848 (9.04%), according to the 2021 American Community Survey. At the same time, the smallest age group in Deer Lodge County, MT was the 85+ years with a population of 181 (1.93%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Deer Lodge County, MT Age Cohorts Dataset: Children, Working Adults, and Seniors in Deer Lodge County - 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 Deer Lodge 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 Deer Lodge 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.

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

Deer Lodge County, MT 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 Deer Lodge County, MT population pyramid, which represents the Deer Lodge 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 Deer Lodge County, MT, is 15.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Deer Lodge County, MT, is 36.3.
  • Total dependency ratio for Deer Lodge County, MT is 51.7.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Deer Lodge County, MT is 2.8.

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