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Mahaska County, IA Population by Age

The median age in Mahaska County, IA is 39.6, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 19.89% were under the age of 15, 18.61% aged 15 to 29, 42.54% aged 30 to 64, 16.61% aged 65 to 84, and 2.38% were 85 years of age and older.
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By Neilsberg Research
Updated Jul 26, 2024

Mahaska County, IA population age distributions

A complete breakdown of Mahaska 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 1,394 6.32%
5 to 9 years 1,370 6.21%
10 to 14 years 1,623 7.36%
15 to 19 years 1,532 6.95%
20 to 24 years 1,424 6.46%
25 to 29 years 1,146 5.2%
30 to 34 years 1,319 5.98%
35 to 39 years 1,332 6.04%
40 to 44 years 1,264 5.73%
45 to 49 years 1,292 5.86%
50 to 54 years 1,213 5.5%
55 to 59 years 1,499 6.8%
60 to 64 years 1,462 6.63%
65 to 69 years 1,241 5.63%
70 to 74 years 1,102 5%
75 to 79 years 848 3.84%
80 to 84 years 473 2.14%
85 years and over 525 2.38%
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Mahaska County, IA population by age group

Key stats
7,343
Population under 25 years
5,061
Population aged 25-44
5,466
Population aged 45-64
4,189
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022

FIGURE 1

Mahaska County, IA population by age group.

The largest age group is 10 to 14 years with a population of 1,623 (7.36% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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The largest age group in Mahaska County, IA was for the group of age 10 to 14 years with a population of 1,623 (7.36%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Mahaska County, IA was the 80 to 84 years with a population of 473 (2.14%).

Mahaska County, IA population by age cohort

To better understand the age distribution of Mahaska County, IA'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

Mahaska County, IA population by age cohort

The largest age group was 18 to 64 years with a population of 12,622 (57.22% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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Mahaska County, IA population by age cohort

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

Age Group Population % of Total Population
Under 18 years 5,248 23.79%
18 to 64 years 12,622 57.22%
65 years and over 4,189 18.99%
Exploring Mahaska 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:

  • Mahaska County 's population under 18 was 23.79%, compared to the 22.11% nationwide.
  • Mahaska County's working population (between 18 and 64) was 57.22%, compared to 61.36% nationwide.
  • Mahaska County's elderly or the senior population (over 65 age) was 18.99% as compared to 16.53% nationwide.

Mahaska County, IA population pyramid

Population pyramid for Mahaska County, IA 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 Mahaska County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Mahaska County, IA, is 32.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Mahaska County, IA, is 31.1.
  • Total dependency ratio for Mahaska County, IA is 63.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Mahaska County, IA is 3.2.

FIGURE 3

Mahaska County, IA population pyramid

Mahaska County 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) 2018-2022 5-Year Estimates.
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Mahaska County, IA population pyramid

Here's the Mahaska County, IA's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 727 667 1,394
5 to 9 years 677 693 1,370
10 to 14 years 893 730 1,623
15 to 19 years 825 707 1,532
20 to 24 years 777 647 1,424
25 to 29 years 590 556 1,146
30 to 34 years 644 675 1,319
35 to 39 years 668 664 1,332
40 to 44 years 678 586 1,264
45 to 49 years 643 649 1,292
50 to 54 years 631 582 1,213
55 to 59 years 809 690 1,499
60 to 64 years 736 726 1,462
65 to 69 years 643 598 1,241
70 to 74 years 528 574 1,102
75 to 79 years 321 527 848
80 to 84 years 226 247 473
85 years and over 186 339 525
Exploring Mahaska County's Diversity? Request Customized Data Now!

Things to know

What is the population of Mahaska County, IA under 18?

Mahaska County's population under the age of 18 is 5,248, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.79% of the total resident population of Mahaska County, IA.

What is the aging population in Mahaska County, IA?

Mahaska County's population aged 65 years and above was 4,189. As per the U.S. Census Bureau's American Community Survey, this population is 18.99% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Mahaska County, IA Age Group Population Dataset: A Complete Breakdown of Mahaska County Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Mahaska 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 Mahaska County. The dataset can be utilized to understand the population distribution of Mahaska County by age. For example, using this dataset, we can identify the largest age group in Mahaska County.

Key observations

The largest age group in Mahaska County, IA was for the group of age 10 to 14 years years with a population of 1,623 (7.36%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Mahaska County, IA was the 80 to 84 years years with a population of 473 (2.14%). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Mahaska County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Mahaska 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 Mahaska County Population by Age. You can refer the same here

Mahaska County, IA Age Cohorts Dataset: Children, Working Adults, and Seniors in Mahaska County - Population and Percentage Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Mahaska 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 Mahaska 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 18 to 64 years with a poulation of 12,622 (57.22% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Mahaska County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Mahaska County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Mahaska 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 Mahaska County Population by Age. You can refer the same here

Mahaska County, IA Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Mahaska County, IA population pyramid, which represents the Mahaska County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Mahaska County, IA, is 32.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Mahaska County, IA, is 31.1.
  • Total dependency ratio for Mahaska County, IA is 63.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Mahaska County, IA is 3.2.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Mahaska County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Mahaska County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Mahaska County for the selected age group is shown in the following column.
  • Total Population: The total population of the Mahaska 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 Mahaska 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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Mahaska County, IA Demographics Mahaska County, IA Population

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Collection 5 Resources