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Ohio Population by Age

The median age in Ohio is 39.6, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 18.22% were under the age of 15, 19.37% aged 15 to 29, 44.56% aged 30 to 64, 15.77% aged 65 to 84, and 2.07% were 85 years of age and older.
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By Neilsberg Research
Updated Feb 22, 2025

Ohio population age distributions

A complete breakdown of Ohio'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 675,616 5.74%
5 to 9 years 714,796 6.07%
10 to 14 years 755,519 6.41%
15 to 19 years 768,821 6.53%
20 to 24 years 741,950 6.3%
25 to 29 years 770,400 6.54%
30 to 34 years 779,740 6.62%
35 to 39 years 737,272 6.26%
40 to 44 years 722,107 6.13%
45 to 49 years 687,885 5.84%
50 to 54 years 741,262 6.29%
55 to 59 years 780,181 6.62%
60 to 64 years 801,454 6.8%
65 to 69 years 702,110 5.96%
70 to 74 years 561,165 4.76%
75 to 79 years 358,618 3.04%
80 to 84 years 237,360 2.01%
85 years and over 243,790 2.07%
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Ohio population by age group

Key stats
3.66 million
Population under 25 years
3.01 million
Population aged 25-44
3.01 million
Population aged 45-64
2.1 million
Population aged 65+

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

FIGURE 1

Ohio population by age group.

The largest age group is 60 to 64 years with a population of 801,454 (6.80% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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The largest age group in Ohio was for the group of age 60 to 64 years with a population of 801,454 (6.80%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Ohio was the 80 to 84 years with a population of 237,360 (2.01%).

Ohio population by age cohort

To better understand the age distribution of Ohio'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

Ohio population by age cohort

The largest age group was 18 to 64 years with a population of 7.07 million (59.99% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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Ohio population by age cohort

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

Age Group Population % of Total Population
Under 18 years 2,610,179 22.16%
18 to 64 years 7,066,824 59.99%
65 years and over 2,103,043 17.85%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Ohio 's population under 18 was 22.16%, compared to the 22.16% nationwide.
  • Ohio's working population (between 18 and 64) was 59.99%, compared to 61% nationwide.
  • Ohio's elderly or the senior population (over 65 age) was 17.85% as compared to 16.84% nationwide.

Ohio population pyramid

Population pyramid for Ohio 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 Ohio's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Ohio, is 28.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ohio, is 27.9.
  • Total dependency ratio for Ohio is 56.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Ohio is 3.6.

FIGURE 3

Ohio population pyramid

Ohio 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.
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Ohio population pyramid

Here's the Ohio's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 345,363 330,253 675,616
5 to 9 years 367,703 347,093 714,796
10 to 14 years 385,328 370,191 755,519
15 to 19 years 393,554 375,267 768,821
20 to 24 years 377,010 364,940 741,950
25 to 29 years 390,151 380,249 770,400
30 to 34 years 390,834 388,906 779,740
35 to 39 years 369,262 368,010 737,272
40 to 44 years 361,660 360,447 722,107
45 to 49 years 342,922 344,963 687,885
50 to 54 years 371,079 370,183 741,262
55 to 59 years 386,062 394,119 780,181
60 to 64 years 388,034 413,420 801,454
65 to 69 years 333,055 369,055 702,110
70 to 74 years 263,968 297,197 561,165
75 to 79 years 157,864 200,754 358,618
80 to 84 years 98,608 138,752 237,360
85 years and over 86,620 157,170 243,790
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Things to know

What is the population of Ohio under 18?

Ohio's population under the age of 18 is 2.61 million, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.16% of the total resident population of Ohio.

What is the aging population in Ohio?

Ohio's population aged 65 years and above was 2.1 million. As per the U.S. Census Bureau's American Community Survey, this population is 17.85% of the entire population.

References

Datasets

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

Key observations

The largest age group in Ohio was for the group of age 60 to 64 years years with a population of 801,454 (6.80%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Ohio was the 80 to 84 years years with a population of 237,360 (2.01%). 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 Ohio is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Ohio 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 Ohio Population by Age. You can refer the same here

Ohio Age Cohorts Dataset: Children, Working Adults, and Seniors in Ohio - 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 Ohio 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 Ohio. 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 7.07 million (59.99% 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 Ohio population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Ohio is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Ohio 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 Ohio Population by Age. You can refer the same here

Ohio 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 Ohio population pyramid, which represents the Ohio 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 Ohio, is 28.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ohio, is 27.9.
  • Total dependency ratio for Ohio is 56.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Ohio is 3.6.
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 Ohio population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Ohio for the selected age group is shown in the following column.
  • Population (Female): The female population in the Ohio for the selected age group is shown in the following column.
  • Total Population: The total population of the Ohio 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 Ohio 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
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Collection 5 Resources