Rocky Hill, Connecticut Population by Year

In 2021, the population of Rocky Hill town was 20,746, a 0.26% decrease year-by-year from 2020. Previously, in 2020, Rocky Hill town's population was 20,800, an increase of 3.44% compared to a population of 20,108 in 2019.
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Updated Sep 18, 2023

Rocky Hill, Connecticut population between 2000 and 2021

Over the last 20 plus years, between 2000 and 2021, population of Rocky Hill town increased by 2,730. In this period, the peak population was 20,800 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 18,016 - -
2001 18,138 122 0.68%
2002 18,295 157 0.87%
2003 18,524 229 1.25%
2004 18,628 104 0.56%
2005 18,736 108 0.58%
2006 18,795 59 0.31%
2007 18,881 86 0.46%
2008 18,874 -7 -0.04%
2009 18,942 68 0.36%
2010 19,720 778 4.11%
2011 19,675 -45 -0.23%
2012 19,747 72 0.37%
2013 19,892 145 0.73%
2014 20,065 173 0.87%
2015 20,088 23 0.11%
2016 20,226 138 0.69%
2017 20,184 -42 -0.21%
2018 20,175 -9 -0.04%
2019 20,108 -67 -0.33%
2020 20,800 692 3.44%
2021 20,746 -54 -0.26%
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Rocky Hill, Connecticut population from 2000 to 2021

From 2000 to 2010, Rocky Hill town's population increased by 1,704 (9.46%), 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, Rocky Hill town's population increased by 1,080 (5.48%), 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 Rocky Hill town's population from 2000 to 2021, with years on x-axis and population on y-axis
Rocky Hill town's population from 2000 to 2021. The estimated population at the end of 2021 was 20,746. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2021, Rocky Hill town's population peaked in year 2020 at 20,800.

Between the year 2000 and 2021, Rocky Hill town's population was lowest in year 2000 at 18,016.

Rocky Hill, Connecticut annual population growth rate

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

From 2000 to 2021, Rocky Hill town had an average annual population growth rate of 0.72% per year. Overall the population grew 15.15% between 2000 and 2021.

The graph shows Rocky Hill town's annual population change from 2000 to 2021, with years on x-axis and population annual growth on y-axis
Rocky Hill town's annual population change from 2000 to 2021. The average annual growth rate from 2000 to 2021 was 0.72% per year. In the last two years, the population grew by 638. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Rocky Hill town's population grew the most with an increase of 778 (4.11%).

While from 2018 and 2019, Rocky Hill town's population declined the most with a negative growth of 67 (-0.33%).

Things to know

Is Rocky Hill, Connecticut population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Rocky Hill town's population increased by 638 between 2019 and 2021. The increase was 692 (3.44%) between 2019 and 2020; and decrease of 54 (0.26%) between 2020 and 2021.

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

Between 2011 and 2021, population of Rocky Hill town increased by 999 (5.06%). The population was highest at 20,800 in the year 2020 and lowest at 19,747 in the year 2012. Overall the average growth rate witnessed for the last 10 years was 0.54%.

References

Datasets

Explore datasets by year of publication.
2023
Rocky Hill, 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 Rocky Hill 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 Rocky Hill 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 Rocky Hill town was 20,746, a 0.26% decrease year-by-year from 2020. Previously, in 2020, Rocky Hill town population was 20,800, an increase of 3.44% compared to a population of 20,108 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Rocky Hill town increased by 2,730. In this period, the peak population was 20,800 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).

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