Columbia, Connecticut Population by Year

In 2021, the population of Columbia town was 5,246, a 0.06% increase year-by-year from 2020. Previously, in 2020, Columbia town's population was 5,243, a decline of 2.67% compared to a population of 5,387 in 2019.
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Updated Sep 18, 2023

Columbia, Connecticut population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Columbia town increased by 262. In this period, the peak population was 5,481 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 4,984 - -
2001 5,047 63 1.26%
2002 5,126 79 1.57%
2003 5,192 66 1.29%
2004 5,271 79 1.52%
2005 5,308 37 0.7%
2006 5,358 50 0.94%
2007 5,373 15 0.28%
2008 5,379 6 0.11%
2009 5,386 7 0.13%
2010 5,481 95 1.76%
2011 5,478 -3 -0.05%
2012 5,466 -12 -0.22%
2013 5,458 -8 -0.15%
2014 5,451 -7 -0.13%
2015 5,439 -12 -0.22%
2016 5,426 -13 -0.24%
2017 5,421 -5 -0.09%
2018 5,404 -17 -0.31%
2019 5,387 -17 -0.31%
2020 5,243 -144 -2.67%
2021 5,246 3 0.06%
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Columbia, Connecticut population from 2000 to 2021

From 2000 to 2010, Columbia town's population increased by 497 (9.97%), 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, Columbia town's population decreased by 238 (4.34%), 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 Columbia town's population from 2000 to 2021, with years on x-axis and population on y-axis
Columbia town's population from 2000 to 2021. The estimated population at the end of 2021 was 5,246. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Columbia town's population peaked in year 2010 at 5,481.

Between the year 2000 and 2021, Columbia town's population was lowest in year 2000 at 4,984.

Columbia, Connecticut annual population growth rate

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

From 2000 to 2021, Columbia town had an average annual population growth rate of 0.25% per year. Overall the population grew 5.26% between 2000 and 2021.

The graph shows Columbia town's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Columbia town's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.25% per year. In the last two years, the population declined by 141. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Columbia town's population grew the most with an increase of 95 (1.76%).

While from 2019 and 2020, Columbia town's population declined the most with a negative growth of 144 (-2.67%).

Things to know

Is Columbia, Connecticut population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Columbia town's population decreased by 141 between 2019 and 2021. The decrease was 144 (2.67%) between 2019 and 2020; and increase of 3 (0.06%) between 2020 and 2021.

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

Between 2011 and 2021, population of Columbia town decreased by 220 (4.02%). The population was highest at 5,466 in the year 2012 and lowest at 5,243 in the year 2020. Overall the average growth rate witnessed for the last 10 years was -0.43%.

References

Datasets

Explore datasets by year of publication.
2023
Columbia, 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 Columbia 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 Columbia 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 Columbia town was 5,246, a 0.06% increase year-by-year from 2020. Previously, in 2020, Columbia town population was 5,243, a decline of 2.67% compared to a population of 5,387 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Columbia town increased by 262. In this period, the peak population was 5,481 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).

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

About the author

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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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