Decatur County, TN Population by Year

In 2022, the population of Decatur County was 11,564, a 1.32% increase year-by-year from 2021. Previously, in 2021, Decatur County's population was 11,413, a decline of 0.21% compared to a population of 11,437 in 2020.
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Updated Sep 18, 2023

Decatur County, TN population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Decatur County decreased by 108. In this period, the peak population was 11,728 in the year 2016. 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 11,672 - -
2001 11,654 -18 -0.15%
2002 11,600 -54 -0.46%
2003 11,518 -82 -0.71%
2004 11,549 31 0.27%
2005 11,469 -80 -0.69%
2006 11,413 -56 -0.49%
2007 11,540 127 1.11%
2008 11,561 21 0.18%
2009 11,543 -18 -0.16%
2010 11,713 170 1.47%
2011 11,679 -34 -0.29%
2012 11,631 -48 -0.41%
2013 11,693 62 0.53%
2014 11,681 -12 -0.1%
2015 11,596 -85 -0.73%
2016 11,728 132 1.14%
2017 11,711 -17 -0.14%
2018 11,669 -42 -0.36%
2019 11,608 -61 -0.52%
2020 11,437 -171 -1.47%
2021 11,413 -24 -0.21%
2022 11,564 151 1.32%
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Decatur County, TN population from 2000 to 2022

From 2000 to 2010, Decatur County's population increased by 41 (0.35%), 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, Decatur County's population decreased by 276 (2.36%), 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 Decatur County's population from 2000 to 2022, with years on x-axis and population on y-axis
Decatur County's population from 2000 to 2022. The estimated population at the end of 2022 was 11,564. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Decatur County's population peaked in year 2016 at 11,728.

Between the year 2000 and 2022, Decatur County's population was lowest in year 2006 at 11,413.

Decatur County, TN annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Decatur County grew year by year for 7 years and declined for 15 years.

From 2000 to 2022, Decatur County had an average annual population growth rate of -0.04% per year. Overall the population shrank 0.93% between 2000 and 2022.

The graph shows Decatur County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Decatur County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was -0.04% per year. In the last two years, the population grew by 127. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Decatur County's population grew the most with an increase of 170 (1.47%).

While from 2019 and 2020, Decatur County's population declined the most with a negative growth of 171 (-1.47%).

Things to know

Is Decatur County, TN population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Decatur County's population increased by 127 between 2020 and 2022. The decrease was 24 (0.21%) between 2020 and 2021; and increase of 151 (1.32%) between 2021 and 2022.

How has the population of Decatur County, TN changed in the last 10 years?

Between 2012 and 2022, population of Decatur County decreased by 129 (1.10%). The population was highest at 11,728 in the year 2016 and lowest at 11,413 in the year 2006. Overall the average growth rate witnessed for the last 10 years was -0.05%.

References

Datasets

Explore datasets by year of publication.
2023
Decatur County, TN 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 Decatur 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 Decatur 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 Decatur County was 11,564, a 1.32% increase year-by-year from 2021. Previously, in 2021, Decatur County population was 11,413, a decline of 0.21% compared to a population of 11,437 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Decatur County decreased by 108. In this period, the peak population was 11,728 in the year 2016. 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).

Decatur 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 Decatur County is shown in this column.
  • Year on Year Change: This column displays the change in Decatur 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 Decatur 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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