Adams County, IA Population by Age

The median age in Adams County, IA is 46.7, as per 2021 ACS 5-Year Estimates. Of the total population, 17.99% were under the age of 15, 14.96% aged 15 to 29, 44.60% aged 30 to 64, 19.69% aged 65 to 84, and 2.76% were 85 years of age and older.
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Updated Sep 17, 2023

Adams County, IA population age distribution

A complete breakdown of Adams 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 207 5.6%
5 to 9 years 233 6.3%
10 to 14 years 225 6.09%
15 to 19 years 189 5.11%
20 to 24 years 174 4.71%
25 to 29 years 190 5.14%
30 to 34 years 199 5.38%
35 to 39 years 215 5.82%
40 to 44 years 176 4.76%
45 to 49 years 195 5.27%
50 to 54 years 228 6.17%
55 to 59 years 295 7.98%
60 to 64 years 341 9.22%
65 to 69 years 234 6.33%
70 to 74 years 215 5.82%
75 to 79 years 174 4.71%
80 to 84 years 105 2.84%
85 years and over 102 2.76%
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Adams County, IA population by age group

Key stats
1,028
Population under 25 years
780
Population aged 25-44
1,059
Population aged 45-64
830
Population aged 65+

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

The graph shows Adams 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
Adams County, IA population by age group. The largest age group was 60-64 years with a poulation of 341 (9.22% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Adams County, IA was for the group of age 60-64 years with a population of 341 (9.22%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Adams County, IA was the 85+ years with a population of 102 (2.76%).

Adams County, IA population by age cohort

To better understand the age distribution of Adams 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 Adams 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.
Adams 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 2,073 (56.07% 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 794 21.48%
18 to 64 years 2,073 56.07%
85 years and over 830 22.45%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Adams County's population under 18 was 21.48%, compared to the 22.51% nationwide.
  • Adams County's working population (between 18 and 64) was 56.07%, compared to 61.45% nationwide.
  • Adams County's elderly or the senior population (over 65 age) was 22.45% as compared to 16.04% nationwide.

Adams County, IA population pyramid

Population pyramid for Adams 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 Adams County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Adams County, IA, is 30.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Adams County, IA, is 37.7.
  • Total dependency ratio for Adams County, IA is 67.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Adams County, IA is 2.7.
The graph shows Adams 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.
Adams County, IA population pyramid i.e. Adams County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Age Group Population(Male) Population(Female) Total Population
Under 5 years 106 101 207
5 to 9 years 80 153 233
10 to 14 years 137 88 225
15 to 19 years 94 95 189
20 to 24 years 104 70 174
25 to 29 years 92 98 190
30 to 34 years 103 96 199
35 to 39 years 100 115 215
40 to 44 years 92 84 176
45 to 49 years 107 88 195
50 to 54 years 105 123 228
55 to 59 years 157 138 295
60 to 64 years 167 174 341
65 to 69 years 110 124 234
70 to 74 years 122 93 215
75 to 79 years 96 78 174
80 to 84 years 27 78 105
85 years and over 34 68 102
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Things to know

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

Adams County's population under the age of 18 is 794, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.48% of the total resident population of Adams County, IA.

What is the aging population in Adams County, IA?

Adams County's population aged 65 years and above was 830. As per the U.S. Census Bureau's American Community Survey, this population is 22.45% of the entire population.

References

Datasets

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

Key observations

The largest age group in Adams County, IA was for the group of age 60-64 years with a population of 341 (9.22%), according to the 2021 American Community Survey. At the same time, the smallest age group in Adams County, IA was the 85+ years with a population of 102 (2.76%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

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

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

Adams 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 Adams County, IA population pyramid, which represents the Adams 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 Adams County, IA, is 30.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Adams County, IA, is 37.7.
  • Total dependency ratio for Adams County, IA is 67.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Adams County, IA is 2.7.

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

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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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