Lake County, SD Population by Age

The median age in Lake County, SD is 44.3, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 16.67% were under the age of 15, 19.16% aged 15 to 29, 40.75% aged 30 to 64, 20.95% aged 65 to 84, and 2.47% were 85 years of age and older.
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Updated Jul 26, 2024

Lake County, SD population age distributions

A complete breakdown of Lake 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 573 5.11%
5 to 9 years 665 5.93%
10 to 14 years 631 5.63%
15 to 19 years 812 7.25%
20 to 24 years 789 7.04%
25 to 29 years 546 4.87%
30 to 34 years 540 4.82%
35 to 39 years 531 4.74%
40 to 44 years 605 5.4%
45 to 49 years 514 4.59%
50 to 54 years 565 5.04%
55 to 59 years 931 8.31%
60 to 64 years 880 7.85%
65 to 69 years 913 8.15%
70 to 74 years 924 8.24%
75 to 79 years 336 3%
80 to 84 years 175 1.56%
85 years and over 277 2.47%
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Lake County, SD population by age group

Key stats
3,470
Population under 25 years
2,222
Population aged 25-44
2,890
Population aged 45-64
2,625
Population aged 65+

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

FIGURE 1

Lake County, SD population by age group.

The largest age group is 55 to 59 years with a population of 931 (8.31% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

The largest age group in Lake County, SD was for the group of age 55 to 59 years with a population of 931 (8.31%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Lake County, SD was the 80 to 84 years with a population of 175 (1.56%).

Lake County, SD population by age cohort

To better understand the age distribution of Lake 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

Lake County, SD population by age cohort

The largest age group was 18 to 64 years with a population of 6,342 (56.59% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Lake 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 2,240 19.99%
18 to 64 years 6,342 56.59%
65 years and over 2,625 23.42%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Lake County 's population under 18 was 19.99%, compared to the 22.11% nationwide.
  • Lake County's working population (between 18 and 64) was 56.59%, compared to 61.36% nationwide.
  • Lake County's elderly or the senior population (over 65 age) was 23.42% as compared to 16.53% nationwide.

Lake County, SD population pyramid

Population pyramid for Lake 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 Lake County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lake County, SD, is 27.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lake County, SD, is 39.1.
  • Total dependency ratio for Lake County, SD is 66.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Lake County, SD is 2.6.

FIGURE 3

Lake County, SD population pyramid

Lake 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.

Lake County, SD population pyramid

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

Age Group Population(Male) Population(Female) Total Population
Under 5 years 251 322 573
5 to 9 years 332 333 665
10 to 14 years 308 323 631
15 to 19 years 451 361 812
20 to 24 years 424 365 789
25 to 29 years 321 225 546
30 to 34 years 316 224 540
35 to 39 years 297 234 531
40 to 44 years 321 284 605
45 to 49 years 240 274 514
50 to 54 years 308 257 565
55 to 59 years 499 432 931
60 to 64 years 419 461 880
65 to 69 years 550 363 913
70 to 74 years 432 492 924
75 to 79 years 179 157 336
80 to 84 years 89 86 175
85 years and over 102 175 277
Exploring Lake County's Diversity? Request Customized Data Now!

Things to know

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

Lake County's population under the age of 18 is 2,240, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.99% of the total resident population of Lake County, SD.

What is the aging population in Lake County, SD?

Lake County's population aged 65 years and above was 2,625. As per the U.S. Census Bureau's American Community Survey, this population is 23.42% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Lake County, SD Age Group Population Dataset: A Complete Breakdown of Lake 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 Lake 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 Lake County. The dataset can be utilized to understand the population distribution of Lake County by age. For example, using this dataset, we can identify the largest age group in Lake County.

Key observations

The largest age group in Lake County, SD was for the group of age 55 to 59 years years with a population of 931 (8.31%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Lake County, SD was the 80 to 84 years years with a population of 175 (1.56%). 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 Lake County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Lake 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 Lake County Population by Age. You can refer the same here

Lake County, SD Age Cohorts Dataset: Children, Working Adults, and Seniors in Lake 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 Lake 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 Lake 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 6,342 (56.59% 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 Lake County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Lake County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Lake 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 Lake County Population by Age. You can refer the same here

Lake County, SD 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 Lake County, SD population pyramid, which represents the Lake 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 Lake County, SD, is 27.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lake County, SD, is 39.1.
  • Total dependency ratio for Lake County, SD is 66.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Lake County, SD is 2.6.
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 Lake County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Lake County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Lake County for the selected age group is shown in the following column.
  • Total Population: The total population of the Lake 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 Lake 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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