Seymour, Connecticut Population by Year

In 2021, the population of Seymour town was 16,679, a 0.27% decrease year-by-year from 2020. Previously, in 2020, Seymour town's population was 16,724, an increase of 1.88% compared to a population of 16,416 in 2019.
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Updated Sep 18, 2023

Seymour, Connecticut population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Seymour town increased by 1,187. In this period, the peak population was 16,724 in the year 2020. 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 15,492 - -
2001 15,580 88 0.57%
2002 15,693 113 0.73%
2003 16,019 326 2.08%
2004 16,076 57 0.36%
2005 16,080 4 0.02%
2006 16,226 146 0.91%
2007 16,291 65 0.4%
2008 16,339 48 0.29%
2009 16,423 84 0.51%
2010 16,530 107 0.65%
2011 16,540 10 0.06%
2012 16,574 34 0.21%
2013 16,560 -14 -0.08%
2014 16,561 1 0.01%
2015 16,476 -85 -0.51%
2016 16,559 83 0.5%
2017 16,519 -40 -0.24%
2018 16,503 -16 -0.1%
2019 16,416 -87 -0.53%
2020 16,724 308 1.88%
2021 16,679 -45 -0.27%
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Seymour, Connecticut population from 2000 to 2021

From 2000 to 2010, Seymour town's population increased by 1,038 (6.70%), 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, Seymour town's population increased by 194 (1.17%), 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 Seymour town's population from 2000 to 2021, with years on x-axis and population on y-axis
Seymour town's population from 2000 to 2021. The estimated population at the end of 2021 was 16,679. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Seymour town's population peaked in year 2020 at 16,724.

Between the year 2000 and 2021, Seymour town's population was lowest in year 2000 at 15,492.

Seymour, Connecticut annual population growth rate

Between the years 2000 and 2021, i.e. 21 annual cycles, the population of Seymour town grew year by year for 15 years and declined for 6 years.

From 2000 to 2021, Seymour town had an average annual population growth rate of 0.36% per year. Overall the population grew 7.66% between 2000 and 2021.

The graph shows Seymour town's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Seymour town's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.36% per year. In the last two years, the population grew by 263. Source: U.S. Census Bureau (Population Estimates Program)

From 2002 to 2003, Seymour town's population grew the most with an increase of 326 (2.08%).

While from 2018 and 2019, Seymour town's population declined the most with a negative growth of 87 (-0.53%).

Things to know

Is Seymour, Connecticut population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Seymour town's population increased by 263 between 2019 and 2021. The increase was 308 (1.88%) between 2019 and 2020; and decrease of 45 (0.27%) between 2020 and 2021.

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

Between 2011 and 2021, population of Seymour town increased by 105 (0.63%). The population was highest at 16,724 in the year 2020 and lowest at 16,416 in the year 2019. Overall the average growth rate witnessed for the last 10 years was 0.09%.

References

Datasets

Explore datasets by year of publication.
2023
Seymour, 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 Seymour 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 Seymour 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 Seymour town was 16,679, a 0.27% decrease year-by-year from 2020. Previously, in 2020, Seymour town population was 16,724, an increase of 1.88% compared to a population of 16,416 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Seymour town increased by 1,187. In this period, the peak population was 16,724 in the year 2020. 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).

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