Litchfield County, CT Population by Year

In 2021, the population of Litchfield County was 185,000, a 0.07% increase year-by-year from 2020. Previously, in 2020, Litchfield County's population was 184,874, an increase of 2.48% compared to a population of 180,396 in 2019.
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Updated Sep 18, 2023

Litchfield County, CT population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Litchfield County increased by 2,421. In this period, the peak population was 189,762 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 182,579 - -
2001 184,044 1,465 0.8%
2002 185,829 1,785 0.97%
2003 187,189 1,360 0.73%
2004 188,266 1,077 0.58%
2005 188,458 192 0.1%
2006 189,073 615 0.33%
2007 189,122 49 0.03%
2008 189,270 148 0.08%
2009 188,935 -335 -0.18%
2010 189,762 827 0.44%
2011 188,979 -783 -0.41%
2012 187,591 -1,388 -0.73%
2013 186,866 -725 -0.39%
2014 185,380 -1,486 -0.8%
2015 184,171 -1,209 -0.65%
2016 182,837 -1,334 -0.72%
2017 181,719 -1,118 -0.61%
2018 181,151 -568 -0.31%
2019 180,396 -755 -0.42%
2020 184,874 4,478 2.48%
2021 185,000 126 0.07%
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Litchfield County, CT population from 2000 to 2021

From 2000 to 2010, Litchfield County's population increased by 7,183 (3.93%), 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, Litchfield County's population decreased by 4,888 (2.58%), 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 Litchfield County's population from 2000 to 2021, with years on x-axis and population on y-axis
Litchfield County's population from 2000 to 2021. The estimated population at the end of 2021 was 185,000. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Litchfield County's population peaked in year 2010 at 189,762.

Between the year 2000 and 2021, Litchfield County's population was lowest in year 2019 at 180,396.

Litchfield County, CT annual population growth rate

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

From 2000 to 2021, Litchfield County had an average annual population growth rate of 0.06% per year. Overall the population grew 1.33% between 2000 and 2021.

The graph shows Litchfield County's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Litchfield County's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.06% per year. In the last two years, the population grew by 4,604. Source: U.S. Census Bureau (Population Estimates Program)

From 2019 to 2020, Litchfield County's population grew the most with an increase of 4,478 (2.48%).

While from 2013 and 2014, Litchfield County's population declined the most with a negative growth of 1,486 (-0.80%).

Things to know

Is Litchfield County, CT population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Litchfield County's population increased by 4,604 between 2019 and 2021. The increase was 4,478 (2.48%) between 2019 and 2020; and increase of 126 (0.07%) between 2020 and 2021.

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

Between 2011 and 2021, population of Litchfield County decreased by 2,591 (1.38%). The population was highest at 187,591 in the year 2012 and lowest at 180,396 in the year 2019. Overall the average growth rate witnessed for the last 10 years was -0.21%.

References

Datasets

Explore datasets by year of publication.
2023
Litchfield 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 Litchfield 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 Litchfield 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 Litchfield County was 185,000, a 0.07% increase year-by-year from 2020. Previously, in 2020, Litchfield County population was 184,874, an increase of 2.48% compared to a population of 180,396 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Litchfield County increased by 2,421. In this period, the peak population was 189,762 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).

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

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