Watertown, Connecticut Population by Year

In 2021, the population of Watertown town was 22,110, a 0.05% increase year-by-year from 2020. Previously, in 2020, Watertown town's population was 22,098, an increase of 2.35% compared to a population of 21,590 in 2019.
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Updated Sep 18, 2023

Watertown, Connecticut population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Watertown town increased by 399. In this period, the peak population was 22,532 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 21,711 - -
2001 21,844 133 0.61%
2002 22,019 175 0.8%
2003 22,110 91 0.41%
2004 22,179 69 0.31%
2005 22,156 -23 -0.1%
2006 22,214 58 0.26%
2007 22,241 27 0.12%
2008 22,277 36 0.16%
2009 22,260 -17 -0.08%
2010 22,532 272 1.22%
2011 22,453 -79 -0.35%
2012 22,306 -147 -0.65%
2013 22,241 -65 -0.29%
2014 22,094 -147 -0.66%
2015 21,994 -100 -0.45%
2016 21,834 -160 -0.73%
2017 21,722 -112 -0.51%
2018 21,660 -62 -0.29%
2019 21,590 -70 -0.32%
2020 22,098 508 2.35%
2021 22,110 12 0.05%
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Watertown, Connecticut population from 2000 to 2021

From 2000 to 2010, Watertown town's population increased by 821 (3.78%), 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, Watertown town's population decreased by 434 (1.93%), 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 Watertown town's population from 2000 to 2021, with years on x-axis and population on y-axis
Watertown town's population from 2000 to 2021. The estimated population at the end of 2021 was 22,110. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Watertown town's population peaked in year 2010 at 22,532.

Between the year 2000 and 2021, Watertown town's population was lowest in year 2019 at 21,590.

Watertown, Connecticut annual population growth rate

Between the years 2000 and 2021, i.e. 21 annual cycles, the population of Watertown town grew year by year for 10 years and declined for 11 years.

From 2000 to 2021, Watertown town had an average annual population growth rate of 0.09% per year. Overall the population grew 1.84% between 2000 and 2021.

The graph shows Watertown town's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Watertown town's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.09% per year. In the last two years, the population grew by 520. Source: U.S. Census Bureau (Population Estimates Program)

From 2019 to 2020, Watertown town's population grew the most with an increase of 508 (2.35%).

While from 2015 and 2016, Watertown town's population declined the most with a negative growth of 160 (-0.73%).

Things to know

Is Watertown, Connecticut population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Watertown town's population increased by 520 between 2019 and 2021. The increase was 508 (2.35%) between 2019 and 2020; and increase of 12 (0.05%) between 2020 and 2021.

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

Between 2011 and 2021, population of Watertown town decreased by 196 (0.88%). The population was highest at 22,306 in the year 2012 and lowest at 21,590 in the year 2019. Overall the average growth rate witnessed for the last 10 years was -0.15%.

References

Datasets

Explore datasets by year of publication.
2023
Watertown, 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 Watertown 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 Watertown 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 Watertown town was 22,110, a 0.05% increase year-by-year from 2020. Previously, in 2020, Watertown town population was 22,098, an increase of 2.35% compared to a population of 21,590 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Watertown town increased by 399. In this period, the peak population was 22,532 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).

Watertown 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 Watertown town is shown in this column.
  • Year on Year Change: This column displays the change in Watertown 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 Watertown 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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