Franklin County, OH Population by Age

The median age in Franklin County, OH is 34.4, as per 2021 ACS 5-Year Estimates. Of the total population, 19.82% were under the age of 15, 22.46% aged 15 to 29, 45.69% aged 30 to 64, 10.66% aged 65 to 84, and 1.37% were 85 years of age and older.
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Updated Sep 17, 2023

Franklin County, OH population age distribution

A complete breakdown of Franklin 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 90,726 6.91%
5 to 9 years 85,402 6.5%
10 to 14 years 84,237 6.41%
15 to 19 years 85,086 6.48%
20 to 24 years 89,506 6.81%
25 to 29 years 120,414 9.17%
30 to 34 years 115,101 8.76%
35 to 39 years 97,432 7.42%
40 to 44 years 82,735 6.3%
45 to 49 years 78,885 6.01%
50 to 54 years 76,656 5.84%
55 to 59 years 76,836 5.85%
60 to 64 years 72,510 5.52%
65 to 69 years 57,109 4.35%
70 to 74 years 42,082 3.2%
75 to 79 years 24,359 1.85%
80 to 84 years 16,482 1.25%
85 years and over 18,040 1.37%
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Franklin County, OH population by age group

Key stats
434,957
Population under 25 years
415,682
Population aged 25-44
304,887
Population aged 45-64
158,072
Population aged 65+

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

The graph shows Franklin 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
Franklin County, OH population by age group. The largest age group was 25-29 years with a poulation of 120,414 (9.17% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Franklin County, OH was for the group of age 25-29 years with a population of 120,414 (9.17%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Franklin County, OH was the 80-84 years with a population of 16,482 (1.25%).

Franklin County, OH population by age cohort

To better understand the age distribution of Franklin 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 Franklin 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.
Franklin 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 847,706 (64.53% 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 307,820 23.43%
18 to 64 years 847,706 64.53%
85 years and over 158,072 12.03%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Franklin County's population under 18 was 23.43%, compared to the 22.51% nationwide.
  • Franklin County's working population (between 18 and 64) was 64.53%, compared to 61.45% nationwide.
  • Franklin County's elderly or the senior population (over 65 age) was 12.03% as compared to 16.04% nationwide.

Franklin County, OH population pyramid

Population pyramid for Franklin 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 Franklin County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Franklin County, OH, is 29.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Franklin County, OH, is 17.7.
  • Total dependency ratio for Franklin County, OH is 46.7.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Franklin County, OH is 5.7.
The graph shows Franklin 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.
Franklin County, OH population pyramid i.e. Franklin County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Age Group Population(Male) Population(Female) Total Population
Under 5 years 46,293 44,433 90,726
5 to 9 years 44,140 41,262 85,402
10 to 14 years 42,181 42,056 84,237
15 to 19 years 43,024 42,062 85,086
20 to 24 years 44,169 45,337 89,506
25 to 29 years 59,519 60,895 120,414
30 to 34 years 57,534 57,567 115,101
35 to 39 years 48,977 48,455 97,432
40 to 44 years 41,103 41,632 82,735
45 to 49 years 39,246 39,639 78,885
50 to 54 years 38,231 38,425 76,656
55 to 59 years 37,464 39,372 76,836
60 to 64 years 34,338 38,172 72,510
65 to 69 years 26,343 30,766 57,109
70 to 74 years 18,697 23,385 42,082
75 to 79 years 10,307 14,052 24,359
80 to 84 years 6,046 10,436 16,482
85 years and over 6,802 11,238 18,040
Exploring Franklin County's Diversity? Request Customized Data Now!

Things to know

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

Franklin County's population under the age of 18 is 307,820, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.43% of the total resident population of Franklin County, OH.

What is the aging population in Franklin County, OH?

Franklin County's population aged 65 years and above was 158,072. As per the U.S. Census Bureau's American Community Survey, this population is 12.03% of the entire population.

References

Datasets

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

Key observations

The largest age group in Franklin County, OH was for the group of age 25-29 years with a population of 120,414 (9.17%), according to the 2021 American Community Survey. At the same time, the smallest age group in Franklin County, OH was the 80-84 years with a population of 16,482 (1.25%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

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

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

Franklin 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 Franklin County, OH population pyramid, which represents the Franklin 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 Franklin County, OH, is 29.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Franklin County, OH, is 17.7.
  • Total dependency ratio for Franklin County, OH is 46.7.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Franklin County, OH is 5.7.

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