Colchester, Connecticut Population by Year

In 2021, the population of Colchester town was 15,501, a 0.14% increase year-by-year from 2020. Previously, in 2020, Colchester town's population was 15,479, a decline of 2.41% compared to a population of 15,861 in 2019.
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Updated Sep 18, 2023

Colchester, Connecticut population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Colchester town increased by 843. In this period, the peak population was 16,087 in the year 2012. 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 14,658 - -
2001 14,815 157 1.07%
2002 15,064 249 1.68%
2003 15,210 146 0.97%
2004 15,370 160 1.05%
2005 15,434 64 0.42%
2006 15,532 98 0.63%
2007 15,524 -8 -0.05%
2008 15,631 107 0.69%
2009 15,689 58 0.37%
2010 16,011 322 2.05%
2011 16,038 27 0.17%
2012 16,087 49 0.31%
2013 16,036 -51 -0.32%
2014 16,004 -32 -0.2%
2015 15,913 -91 -0.57%
2016 15,858 -55 -0.35%
2017 15,950 92 0.58%
2018 15,941 -9 -0.06%
2019 15,861 -80 -0.5%
2020 15,479 -382 -2.41%
2021 15,501 22 0.14%
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Colchester, Connecticut population from 2000 to 2021

From 2000 to 2010, Colchester town's population increased by 1,353 (9.23%), 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, Colchester town's population decreased by 532 (3.32%), 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 Colchester town's population from 2000 to 2021, with years on x-axis and population on y-axis
Colchester town's population from 2000 to 2021. The estimated population at the end of 2021 was 15,501. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Colchester town's population peaked in year 2012 at 16,087.

Between the year 2000 and 2021, Colchester town's population was lowest in year 2000 at 14,658.

Colchester, Connecticut annual population growth rate

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

From 2000 to 2021, Colchester town had an average annual population growth rate of 0.27% per year. Overall the population grew 5.75% between 2000 and 2021.

The graph shows Colchester town's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Colchester town's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.27% per year. In the last two years, the population declined by 360. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Colchester town's population grew the most with an increase of 322 (2.05%).

While from 2019 and 2020, Colchester town's population declined the most with a negative growth of 382 (-2.41%).

Things to know

Is Colchester, Connecticut population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Colchester town's population decreased by 360 between 2019 and 2021. The decrease was 382 (2.41%) between 2019 and 2020; and increase of 22 (0.14%) between 2020 and 2021.

How has the population of Colchester, Connecticut changed in the last 10 years?

Between 2011 and 2021, population of Colchester town decreased by 586 (3.64%). The population was highest at 16,087 in the year 2012 and lowest at 15,479 in the year 2020. Overall the average growth rate witnessed for the last 10 years was -0.34%.

References

Datasets

Explore datasets by year of publication.
2023
Colchester, Connecticut 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 Colchester town 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 Colchester town 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 Colchester town was 15,501, a 0.14% increase year-by-year from 2020. Previously, in 2020, Colchester town population was 15,479, a decline of 2.41% compared to a population of 15,861 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Colchester town increased by 843. In this period, the peak population was 16,087 in the year 2012. 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).

Colchester town 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 Colchester town is shown in this column.
  • Year on Year Change: This column displays the change in Colchester town 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 Colchester town 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 team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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