Keokuk County, IA Population by Age

The median age in Keokuk County, IA is 42.9, as per 2021 ACS 5-Year Estimates. Of the total population, 18.70% were under the age of 15, 16.84% aged 15 to 29, 42.83% aged 30 to 64, 19.12% aged 65 to 84, and 2.52% were 85 years of age and older.
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Updated Sep 17, 2023

Keokuk County, IA population age distribution

A complete breakdown of Keokuk 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 587 5.84%
5 to 9 years 701 6.98%
10 to 14 years 591 5.88%
15 to 19 years 647 6.44%
20 to 24 years 492 4.9%
25 to 29 years 553 5.5%
30 to 34 years 511 5.08%
35 to 39 years 555 5.52%
40 to 44 years 576 5.73%
45 to 49 years 546 5.43%
50 to 54 years 578 5.75%
55 to 59 years 725 7.21%
60 to 64 years 813 8.09%
65 to 69 years 713 7.09%
70 to 74 years 473 4.71%
75 to 79 years 437 4.35%
80 to 84 years 299 2.98%
85 years and over 253 2.52%
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Keokuk County, IA population by age group

Key stats
3,018
Population under 25 years
2,195
Population aged 25-44
2,662
Population aged 45-64
2,175
Population aged 65+

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

The graph shows Keokuk 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
Keokuk County, IA population by age group. The largest age group was 60-64 years with a poulation of 813 (8.09% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Keokuk County, IA was for the group of age 60-64 years with a population of 813 (8.09%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Keokuk County, IA was the 85+ years with a population of 253 (2.52%).

Keokuk County, IA population by age cohort

To better understand the age distribution of Keokuk 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
The pie chart shows Keokuk 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.
Keokuk County, IA 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 5,553 (55.25% 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 2,322 23.1%
18 to 64 years 5,553 55.25%
85 years and over 2,175 21.64%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Keokuk County's population under 18 was 23.10%, compared to the 22.51% nationwide.
  • Keokuk County's working population (between 18 and 64) was 55.25%, compared to 61.45% nationwide.
  • Keokuk County's elderly or the senior population (over 65 age) was 21.64% as compared to 16.04% nationwide.

Keokuk County, IA population pyramid

Population pyramid for Keokuk 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 Keokuk County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Keokuk County, IA, is 31.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Keokuk County, IA, is 36.3.
  • Total dependency ratio for Keokuk County, IA is 67.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Keokuk County, IA is 2.8.
The graph shows Keokuk 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.
Keokuk County, IA population pyramid i.e. Keokuk County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Keokuk County, IA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 289 298 587
5 to 9 years 381 320 701
10 to 14 years 306 285 591
15 to 19 years 361 286 647
20 to 24 years 269 223 492
25 to 29 years 285 268 553
30 to 34 years 250 261 511
35 to 39 years 292 263 555
40 to 44 years 279 297 576
45 to 49 years 282 264 546
50 to 54 years 296 282 578
55 to 59 years 343 382 725
60 to 64 years 457 356 813
65 to 69 years 357 356 713
70 to 74 years 267 206 473
75 to 79 years 170 267 437
80 to 84 years 127 172 299
85 years and over 116 137 253
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Things to know

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

Keokuk County's population under the age of 18 is 2,322, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.10% of the total resident population of Keokuk County, IA.

What is the aging population in Keokuk County, IA?

Keokuk County's population aged 65 years and above was 2,175. As per the U.S. Census Bureau's American Community Survey, this population is 21.64% of the entire population.

References

Datasets

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

Key observations

The largest age group in Keokuk County, IA was for the group of age 60-64 years with a population of 813 (8.09%), according to the 2021 American Community Survey. At the same time, the smallest age group in Keokuk County, IA was the 85+ years with a population of 253 (2.52%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Keokuk County, IA Age Cohorts Dataset: Children, Working Adults, and Seniors in Keokuk 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 Keokuk 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 Keokuk 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.

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

Keokuk County, IA 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 Keokuk County, IA population pyramid, which represents the Keokuk 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 Keokuk County, IA, is 31.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Keokuk County, IA, is 36.3.
  • Total dependency ratio for Keokuk County, IA is 67.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Keokuk County, IA is 2.8.

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