Windham County, CT Population by Year

In 2021, the population of Windham County was 116,418, a 0.15% increase year-by-year from 2020. Previously, in 2020, Windham County's population was 116,240, a decline of 0.55% compared to a population of 116,884 in 2019.
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Updated Sep 18, 2023

Windham County, CT population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Windham County increased by 7,234. In this period, the peak population was 118,543 in the year 2010. 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 109,184 - -
2001 109,894 710 0.65%
2002 111,115 1,221 1.11%
2003 112,696 1,581 1.42%
2004 114,367 1,671 1.48%
2005 115,683 1,316 1.15%
2006 116,800 1,117 0.97%
2007 117,255 455 0.39%
2008 117,875 620 0.53%
2009 118,066 191 0.16%
2010 118,543 477 0.4%
2011 118,329 -214 -0.18%
2012 117,945 -384 -0.32%
2013 117,551 -394 -0.33%
2014 116,810 -741 -0.63%
2015 116,556 -254 -0.22%
2016 116,191 -365 -0.31%
2017 116,489 298 0.26%
2018 117,182 693 0.59%
2019 116,884 -298 -0.25%
2020 116,240 -644 -0.55%
2021 116,418 178 0.15%
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Windham County, CT population from 2000 to 2021

From 2000 to 2010, Windham County's population increased by 9,359 (8.57%), 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, Windham County's population decreased by 2,303 (1.94%), 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 Windham County's population from 2000 to 2021, with years on x-axis and population on y-axis
Windham County's population from 2000 to 2021. The estimated population at the end of 2021 was 116,418. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Windham County's population peaked in year 2010 at 118,543.

Between the year 2000 and 2021, Windham County's population was lowest in year 2000 at 109,184.

Windham County, CT annual population growth rate

Between the years 2000 and 2021, i.e. 21 annual cycles, the population of Windham County grew year by year for 13 years and declined for 8 years.

From 2000 to 2021, Windham County had an average annual population growth rate of 0.32% per year. Overall the population grew 6.63% between 2000 and 2021.

The graph shows Windham County's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Windham County's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.32% per year. In the last two years, the population declined by 466. Source: U.S. Census Bureau (Population Estimates Program)

From 2003 to 2004, Windham County's population grew the most with an increase of 1,671 (1.48%).

While from 2013 and 2014, Windham County's population declined the most with a negative growth of 741 (-0.63%).

Things to know

Is Windham County, CT population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Windham County's population decreased by 466 between 2019 and 2021. The decrease was 644 (0.55%) between 2019 and 2020; and increase of 178 (0.15%) between 2020 and 2021.

How has the population of Windham County, CT changed in the last 10 years?

Between 2011 and 2021, population of Windham County decreased by 1,527 (1.29%). The population was highest at 117,945 in the year 2012 and lowest at 116,191 in the year 2016. Overall the average growth rate witnessed for the last 10 years was -0.16%.

References

Datasets

Explore datasets by year of publication.
2023
Windham County, CT 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 Windham 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 Windham 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 2021, the population of Windham County was 116,418, a 0.15% increase year-by-year from 2020. Previously, in 2020, Windham County population was 116,240, a decline of 0.55% compared to a population of 116,884 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Windham County increased by 7,234. In this period, the peak population was 118,543 in the year 2010. 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).

Windham 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 2021

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2021)
  • Population: The population for the specific year for the Windham County is shown in this column.
  • Year on Year Change: This column displays the change in Windham 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 Windham 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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Neilsberg Research
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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