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Collection 5 Resources

Montgomery County, OH Population by Age

The median age in Montgomery County, OH is 39.0, as per 2021 ACS 5-Year Estimates. Of the total population, 18.46% were under the age of 15, 20.01% aged 15 to 29, 43.77% aged 30 to 64, 15.51% aged 65 to 84, and 2.25% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Montgomery County, OH population age distribution

A complete breakdown of Montgomery 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 32,520 6.07%
5 to 9 years 32,501 6.06%
10 to 14 years 33,937 6.33%
15 to 19 years 34,531 6.44%
20 to 24 years 35,172 6.56%
25 to 29 years 37,590 7.01%
30 to 34 years 35,439 6.61%
35 to 39 years 32,707 6.1%
40 to 44 years 29,784 5.56%
45 to 49 years 31,008 5.78%
50 to 54 years 33,386 6.23%
55 to 59 years 36,238 6.76%
60 to 64 years 36,109 6.74%
65 to 69 years 29,778 5.55%
70 to 74 years 25,378 4.73%
75 to 79 years 16,557 3.09%
80 to 84 years 11,461 2.14%
85 years and over 12,040 2.25%
Exploring Montgomery County's Diversity? Request Customized Data Now!

TABLE OF CONTENTS

Montgomery County, OH population by age group

Key stats
168,661
Population under 25 years
135,520
Population aged 25-44
136,741
Population aged 45-64
95,214
Population aged 65+

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

The graph shows Montgomery 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
Montgomery County, OH population by age group. The largest age group was 25-29 years with a poulation of 37,590 (7.01% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Montgomery County, OH was for the group of age 25-29 years with a population of 37,590 (7.01%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Montgomery County, OH was the 80-84 years with a population of 11,461 (2.14%).

Montgomery County, OH population by age cohort

To better understand the age distribution of Montgomery County, OH'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 Montgomery 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.
Montgomery County, OH 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 321,373 (59.94% 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 119,549 22.3%
18 to 64 years 321,373 59.94%
85 years and over 95,214 17.76%
Exploring Montgomery County's Diversity? Request Customized Data Now!

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

  • Montgomery County's population under 18 was 22.30%, compared to the 22.51% nationwide.
  • Montgomery County's working population (between 18 and 64) was 59.94%, compared to 61.45% nationwide.
  • Montgomery County's elderly or the senior population (over 65 age) was 17.76% as compared to 16.04% nationwide.

Montgomery County, OH population pyramid

Population pyramid for Montgomery County, OH 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 Montgomery County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Montgomery County, OH, is 28.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Montgomery County, OH, is 27.8.
  • Total dependency ratio for Montgomery County, OH is 56.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Montgomery County, OH is 3.6.
The graph shows Montgomery 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.
Montgomery County, OH population pyramid i.e. Montgomery County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Montgomery County, OH's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 16,729 15,791 32,520
5 to 9 years 16,574 15,927 32,501
10 to 14 years 17,332 16,605 33,937
15 to 19 years 17,638 16,893 34,531
20 to 24 years 17,686 17,486 35,172
25 to 29 years 18,568 19,022 37,590
30 to 34 years 17,514 17,925 35,439
35 to 39 years 15,638 17,069 32,707
40 to 44 years 14,857 14,927 29,784
45 to 49 years 15,089 15,919 31,008
50 to 54 years 16,263 17,123 33,386
55 to 59 years 17,582 18,656 36,238
60 to 64 years 17,142 18,967 36,109
65 to 69 years 13,653 16,125 29,778
70 to 74 years 11,435 13,943 25,378
75 to 79 years 7,073 9,484 16,557
80 to 84 years 4,864 6,597 11,461
85 years and over 3,894 8,146 12,040
Exploring Montgomery County's Diversity? Request Customized Data Now!

Things to know

What is the population of Montgomery County, OH under 18?

Montgomery County's population under the age of 18 is 119,549, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.30% of the total resident population of Montgomery County, OH.

What is the aging population in Montgomery County, OH?

Montgomery County's population aged 65 years and above was 95,214. As per the U.S. Census Bureau's American Community Survey, this population is 17.76% of the entire population.

References

Datasets

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

Key observations

The largest age group in Montgomery County, OH was for the group of age 25-29 years with a population of 37,590 (7.01%), according to the 2021 American Community Survey. At the same time, the smallest age group in Montgomery County, OH was the 80-84 years with a population of 11,461 (2.14%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Montgomery County, OH Age Cohorts Dataset: Children, Working Adults, and Seniors in Montgomery 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 Montgomery 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 Montgomery 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.

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

Montgomery County, OH 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 Montgomery County, OH population pyramid, which represents the Montgomery 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 Montgomery County, OH, is 28.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Montgomery County, OH, is 27.8.
  • Total dependency ratio for Montgomery County, OH is 56.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Montgomery County, OH is 3.6.

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

Explore related topics

Montgomery County, OH Demographics Montgomery County, OH Population

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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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Collection 5 Resources