Merrimack County, NH Population by Year

In 2022, the population of Merrimack County was 156,020, a 0.92% increase year-by-year from 2021. Previously, in 2021, Merrimack County's population was 154,591, an increase of 0.37% compared to a population of 154,022 in 2020.
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Updated Sep 18, 2023

Merrimack County, NH population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Merrimack County increased by 19,324. In this period, the peak population was 156,020 in the year 2022. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth.

Year Population Year on Year Change Change in Percent
2000 136,696 - -
2001 138,820 2,124 1.55%
2002 141,746 2,926 2.11%
2003 143,727 1,981 1.4%
2004 145,348 1,621 1.13%
2005 147,015 1,667 1.15%
2006 148,660 1,645 1.12%
2007 149,313 653 0.44%
2008 149,727 414 0.28%
2009 149,514 -213 -0.14%
2010 146,395 -3,119 -2.09%
2011 146,894 499 0.34%
2012 147,149 255 0.17%
2013 147,555 406 0.28%
2014 148,252 697 0.47%
2015 148,770 518 0.35%
2016 149,246 476 0.32%
2017 150,054 808 0.54%
2018 150,981 927 0.62%
2019 151,606 625 0.41%
2020 154,022 2,416 1.59%
2021 154,591 569 0.37%
2022 156,020 1,429 0.92%
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Merrimack County, NH population from 2000 to 2022

From 2000 to 2010, Merrimack County's population increased by 9,699 (7.10%), 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, Merrimack County's population increased by 7,627 (5.21%), 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 Merrimack County's population from 2000 to 2022, with years on x-axis and population on y-axis
Merrimack County's population from 2000 to 2022. The estimated population at the end of 2022 was 156,020. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Merrimack County's population peaked in year 2022 at 156,020.

Between the year 2000 and 2022, Merrimack County's population was lowest in year 2000 at 136,696.

Merrimack County, NH annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Merrimack County grew year by year for 20 years and declined for 2 years.

From 2000 to 2022, Merrimack County had an average annual population growth rate of 0.64% per year. Overall the population grew 14.14% between 2000 and 2022.

The graph shows Merrimack County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Merrimack County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 0.64% per year. In the last two years, the population grew by 1,998. Source: U.S. Census Bureau (Population Estimates Program)

From 2001 to 2002, Merrimack County's population grew the most with an increase of 2,926 (2.11%).

While from 2009 and 2010, Merrimack County's population declined the most with a negative growth of 3,119 (-2.09%).

Things to know

Is Merrimack County, NH population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Merrimack County's population increased by 1,998 between 2020 and 2022. The increase was 569 (0.37%) between 2020 and 2021; and increase of 1,429 (0.92%) between 2021 and 2022.

How has the population of Merrimack County, NH changed in the last 10 years?

Between 2012 and 2022, population of Merrimack County increased by 8,465 (5.74%). The population was highest at 156,020 in the year 2022 and lowest at 147,555 in the year 2013. Overall the average growth rate witnessed for the last 10 years was 0.59%.

References

Datasets

Explore datasets by year of publication.
2023
Merrimack County, NH 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 Merrimack 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 Merrimack 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 2022, the population of Merrimack County was 156,020, a 0.92% increase year-by-year from 2021. Previously, in 2021, Merrimack County population was 154,591, an increase of 0.37% compared to a population of 154,022 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Merrimack County increased by 19,324. In this period, the peak population was 156,020 in the year 2022. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

Merrimack 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 2022

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2022)
  • Population: The population for the specific year for the Merrimack County is shown in this column.
  • Year on Year Change: This column displays the change in Merrimack 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 Merrimack 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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