Gregory County, SD Population by Age

The median age in Gregory County, SD is 45.1, as per 2021 ACS 5-Year Estimates. Of the total population, 19.31% were under the age of 15, 15.88% aged 15 to 29, 40.18% aged 30 to 64, 21.35% aged 65 to 84, and 3.27% were 85 years of age and older.
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Updated Sep 17, 2023

Gregory County, SD population age distribution

A complete breakdown of Gregory 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 280 6.99%
5 to 9 years 249 6.22%
10 to 14 years 244 6.09%
15 to 19 years 302 7.54%
20 to 24 years 153 3.82%
25 to 29 years 181 4.52%
30 to 34 years 158 3.95%
35 to 39 years 236 5.89%
40 to 44 years 196 4.9%
45 to 49 years 222 5.54%
50 to 54 years 195 4.87%
55 to 59 years 283 7.07%
60 to 64 years 319 7.97%
65 to 69 years 318 7.94%
70 to 74 years 222 5.54%
75 to 79 years 204 5.09%
80 to 84 years 111 2.77%
85 years and over 131 3.27%
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Gregory County, SD population by age group

Key stats
1,228
Population under 25 years
771
Population aged 25-44
1,019
Population aged 45-64
986
Population aged 65+

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

The graph shows Gregory 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
Gregory County, SD population by age group. The largest age group was 60-64 years with a poulation of 319 (7.97% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Gregory County, SD was for the group of age 60-64 years with a population of 319 (7.97%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Gregory County, SD was the 80-84 years with a population of 111 (2.77%).

Gregory County, SD population by age cohort

To better understand the age distribution of Gregory 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
The pie chart shows Gregory 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.
Gregory County, SD 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 2,049 (51.17% 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 969 24.2%
18 to 64 years 2,049 51.17%
85 years and over 986 24.63%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Gregory County's population under 18 was 24.20%, compared to the 22.51% nationwide.
  • Gregory County's working population (between 18 and 64) was 51.17%, compared to 61.45% nationwide.
  • Gregory County's elderly or the senior population (over 65 age) was 24.63% as compared to 16.04% nationwide.

Gregory County, SD population pyramid

Population pyramid for Gregory 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 Gregory County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Gregory County, SD, is 34.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Gregory County, SD, is 43.9.
  • Total dependency ratio for Gregory County, SD is 78.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Gregory County, SD is 2.3.
The graph shows Gregory 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.
Gregory County, SD population pyramid i.e. Gregory County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Gregory County, SD's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 156 124 280
5 to 9 years 147 102 249
10 to 14 years 145 99 244
15 to 19 years 177 125 302
20 to 24 years 79 74 153
25 to 29 years 95 86 181
30 to 34 years 79 79 158
35 to 39 years 159 77 236
40 to 44 years 91 105 196
45 to 49 years 111 111 222
50 to 54 years 94 101 195
55 to 59 years 140 143 283
60 to 64 years 164 155 319
65 to 69 years 164 154 318
70 to 74 years 101 121 222
75 to 79 years 107 97 204
80 to 84 years 31 80 111
85 years and over 55 76 131
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Things to know

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

Gregory County's population under the age of 18 is 969, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.20% of the total resident population of Gregory County, SD.

What is the aging population in Gregory County, SD?

Gregory County's population aged 65 years and above was 986. As per the U.S. Census Bureau's American Community Survey, this population is 24.63% of the entire population.

References

Datasets

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

Key observations

The largest age group in Gregory County, SD was for the group of age 60-64 years with a population of 319 (7.97%), according to the 2021 American Community Survey. At the same time, the smallest age group in Gregory County, SD was the 80-84 years with a population of 111 (2.77%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Gregory County, SD Age Cohorts Dataset: Children, Working Adults, and Seniors in Gregory 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 Gregory 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 Gregory 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.

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

Gregory County, SD 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 Gregory County, SD population pyramid, which represents the Gregory 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 Gregory County, SD, is 34.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Gregory County, SD, is 43.9.
  • Total dependency ratio for Gregory County, SD is 78.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Gregory County, SD is 2.3.

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