Dewey County, SD Population by Year

In 2022, the population of Dewey County was 5,140, a 1.49% decrease year-by-year from 2021. Previously, in 2021, Dewey County's population was 5,218, a decline of 0.11% compared to a population of 5,224 in 2020.
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Updated Sep 18, 2023

Dewey County, SD population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Dewey County decreased by 816. In this period, the peak population was 6,122 in the year 2003. The numbers suggest that the population has already reached its peak and is showing a trend of decline.

Year Population Year on Year Change Change in Percent
2000 5,956 - -
2001 6,009 53 0.89%
2002 6,016 7 0.12%
2003 6,122 106 1.76%
2004 6,085 -37 -0.6%
2005 6,115 30 0.49%
2006 6,060 -55 -0.9%
2007 5,996 -64 -1.06%
2008 5,905 -91 -1.52%
2009 5,994 89 1.51%
2010 5,325 -669 -11.16%
2011 5,396 71 1.33%
2012 5,532 136 2.52%
2013 5,584 52 0.94%
2014 5,666 82 1.47%
2015 5,702 36 0.64%
2016 5,787 85 1.49%
2017 5,854 67 1.16%
2018 5,904 50 0.85%
2019 5,872 -32 -0.54%
2020 5,224 -648 -11.04%
2021 5,218 -6 -0.11%
2022 5,140 -78 -1.49%
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Dewey County, SD population from 2000 to 2022

From 2000 to 2010, Dewey County's population decreased by 631 (10.59%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 9.63%.

From 2010 to 2020, Dewey County's population decreased by 101 (1.90%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.

The graph shows Dewey County's population from 2000 to 2022, with years on x-axis and population on y-axis
Dewey County's population from 2000 to 2022. The estimated population at the end of 2022 was 5,140. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Dewey County's population peaked in year 2003 at 6,122.

Between the year 2000 and 2022, Dewey County's population was lowest in year 2022 at 5,140.

Dewey County, SD annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Dewey County grew year by year for 13 years and declined for 9 years.

From 2000 to 2022, Dewey County had an average annual population growth rate of -0.62% per year. Overall the population shrank 13.70% between 2000 and 2022.

The graph shows Dewey County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Dewey County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was -0.62% per year. In the last two years, the population declined by 84. Source: U.S. Census Bureau (Population Estimates Program)

From 2011 to 2012, Dewey County's population grew the most with an increase of 136 (2.52%).

While from 2009 and 2010, Dewey County's population declined the most with a negative growth of 669 (-11.16%).

Things to know

Is Dewey County, SD population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Dewey County's population decreased by 84 between 2020 and 2022. The decrease was 6 (0.11%) between 2020 and 2021; and decrease of 78 (1.49%) between 2021 and 2022.

How has the population of Dewey County, SD changed in the last 10 years?

Between 2012 and 2022, population of Dewey County decreased by 444 (7.95%). The population was highest at 5,904 in the year 2018 and lowest at 5,140 in the year 2022. Overall the average growth rate witnessed for the last 10 years was -0.66%.

References

Datasets

Explore datasets by year of publication.
2023
Dewey County, SD Population Dataset: Yearly Figures, Population Change, and Percent Change Analysis
Last updated September 18, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Dewey County population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Dewey County across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2022, the population of Dewey County was 5,140, a 1.49% decrease year-by-year from 2021. Previously, in 2021, Dewey County population was 5,218, a decline of 0.11% compared to a population of 5,224 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Dewey County decreased by 816. In this period, the peak population was 6,122 in the year 2003. The numbers suggest that the population has already reached its peak and is showing a trend of decline. Source: U.S. Census Bureau Population Estimates Program (PEP).

Dewey County population by year

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

  • From 2000 to 2022

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2022)
  • Population: The population for the specific year for the Dewey County is shown in this column.
  • Year on Year Change: This column displays the change in Dewey County population for each year compared to the previous year.
  • Change in Percent: This column displays the year on year change as a percentage. 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 Dewey County Population by Year. 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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