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Spink County, SD Population by Age

The median age in Spink County, SD is 45.1, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 18.31% were under the age of 15, 14.75% aged 15 to 29, 43.08% aged 30 to 64, 19.87% aged 65 to 84, and 3.98% were 85 years of age and older.
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By Neilsberg Research
Updated Feb 22, 2025

Spink County, SD population age distributions

A complete breakdown of Spink 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 416 6.62%
5 to 9 years 410 6.53%
10 to 14 years 324 5.16%
15 to 19 years 364 5.79%
20 to 24 years 262 4.17%
25 to 29 years 301 4.79%
30 to 34 years 364 5.79%
35 to 39 years 357 5.68%
40 to 44 years 336 5.35%
45 to 49 years 305 4.85%
50 to 54 years 348 5.54%
55 to 59 years 570 9.07%
60 to 64 years 427 6.8%
65 to 69 years 442 7.03%
70 to 74 years 350 5.57%
75 to 79 years 207 3.29%
80 to 84 years 250 3.98%
85 years and over 250 3.98%
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Spink County, SD population by age group

Key stats
1,776
Population under 25 years
1,358
Population aged 25-44
1,650
Population aged 45-64
1,499
Population aged 65+

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

FIGURE 1

Spink County, SD population by age group.

The largest age group is 55 to 59 years with a population of 570 (9.07% 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 Spink County, SD was for the group of age 55 to 59 years with a population of 570 (9.07%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Spink County, SD was the 75 to 79 years with a population of 207 (3.29%).

Spink County, SD population by age cohort

To better understand the age distribution of Spink County, SD'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

Spink County, SD population by age cohort

The largest age group was 18 to 64 years with a population of 3,398 (54.08% of the total population).

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

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

Age Group Population % of Total Population
Under 18 years 1,386 22.06%
18 to 64 years 3,398 54.08%
65 years and over 1,499 23.86%
Exploring Spink 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:

  • Spink County 's population under 18 was 22.06%, compared to the 22.16% nationwide.
  • Spink County's working population (between 18 and 64) was 54.08%, compared to 61% nationwide.
  • Spink County's elderly or the senior population (over 65 age) was 23.86% as compared to 16.84% nationwide.

Spink County, SD population pyramid

Population pyramid for Spink County, SD 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 Spink County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Spink County, SD, is 31.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Spink County, SD, is 41.2.
  • Total dependency ratio for Spink County, SD is 72.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Spink County, SD is 2.4.

FIGURE 3

Spink County, SD population pyramid

Spink 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) 2019-2023 5-Year Estimates.
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Spink County, SD population pyramid

Here's the Spink County, SD's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 220 196 416
5 to 9 years 201 209 410
10 to 14 years 170 154 324
15 to 19 years 173 191 364
20 to 24 years 122 140 262
25 to 29 years 155 146 301
30 to 34 years 211 153 364
35 to 39 years 205 152 357
40 to 44 years 141 195 336
45 to 49 years 144 161 305
50 to 54 years 166 182 348
55 to 59 years 302 268 570
60 to 64 years 217 210 427
65 to 69 years 238 204 442
70 to 74 years 176 174 350
75 to 79 years 112 95 207
80 to 84 years 73 177 250
85 years and over 92 158 250
Exploring Spink County's Diversity? Request Customized Data Now!

Things to know

What is the population of Spink County, SD under 18?

Spink County's population under the age of 18 is 1,386, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.06% of the total resident population of Spink County, SD.

What is the aging population in Spink County, SD?

Spink County's population aged 65 years and above was 1,499. As per the U.S. Census Bureau's American Community Survey, this population is 23.86% of the entire population.

References

Datasets

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

Key observations

The largest age group in Spink County, SD was for the group of age 55 to 59 years years with a population of 570 (9.07%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Spink County, SD was the 75 to 79 years years with a population of 207 (3.29%). 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 Spink County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Spink 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 Spink County Population by Age. You can refer the same here

Spink County, SD Age Cohorts Dataset: Children, Working Adults, and Seniors in Spink County - 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 Spink 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 Spink 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 3,398 (54.08% 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 Spink County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Spink County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Spink 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 Spink County Population by Age. You can refer the same here

Spink County, SD 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 Spink County, SD population pyramid, which represents the Spink County 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 Spink County, SD, is 31.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Spink County, SD, is 41.2.
  • Total dependency ratio for Spink County, SD is 72.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Spink County, SD is 2.4.
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 Spink County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Spink County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Spink County for the selected age group is shown in the following column.
  • Total Population: The total population of the Spink 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 Spink 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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Spink County, SD Demographics Spink County, SD Population

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