Jefferson County, ID Population by Year

In 2022, the population of Jefferson County was 33,428, a 3.64% increase year-by-year from 2021. Previously, in 2021, Jefferson County's population was 32,253, an increase of 3.78% compared to a population of 31,077 in 2020.
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Updated Sep 18, 2023

Jefferson County, ID population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Jefferson County increased by 14,267. In this period, the peak population was 33,428 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 19,161 - -
2001 19,223 62 0.32%
2002 19,630 407 2.12%
2003 20,002 372 1.9%
2004 20,512 510 2.55%
2005 21,253 741 3.61%
2006 21,916 663 3.12%
2007 22,844 928 4.23%
2008 23,936 1,092 4.78%
2009 24,881 945 3.95%
2010 26,222 1,341 5.39%
2011 26,315 93 0.35%
2012 26,642 327 1.24%
2013 26,809 167 0.63%
2014 26,948 139 0.52%
2015 27,133 185 0.69%
2016 27,827 694 2.56%
2017 28,448 621 2.23%
2018 29,418 970 3.41%
2019 29,918 500 1.7%
2020 31,077 1,159 3.87%
2021 32,253 1,176 3.78%
2022 33,428 1,175 3.64%
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Jefferson County, ID population from 2000 to 2022

From 2000 to 2010, Jefferson County's population increased by 7,061 (36.85%), 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, Jefferson County's population increased by 4,855 (18.51%), 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 Jefferson County's population from 2000 to 2022, with years on x-axis and population on y-axis
Jefferson County's population from 2000 to 2022. The estimated population at the end of 2022 was 33,428. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Jefferson County's population peaked in year 2022 at 33,428.

Between the year 2000 and 2022, Jefferson County's population was lowest in year 2000 at 19,161.

Jefferson County, ID annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Jefferson County grew year by year for 22 years and declined for 0 years.

From 2000 to 2022, Jefferson County had an average annual population growth rate of 3.38% per year. Overall the population grew 74.46% between 2000 and 2022.

The graph shows Jefferson County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Jefferson County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 3.38% per year. In the last two years, the population grew by 2,351. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Jefferson County's population grew the most with an increase of 1,341 (5.39%).

While from 2000 and 2001, Jefferson County's population grew the least with a growth of 62 (0.32%).

Things to know

Is Jefferson County, ID population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Jefferson County's population increased by 2,351 between 2020 and 2022. The increase was 1,176 (3.78%) between 2020 and 2021; and increase of 1,175 (3.64%) between 2021 and 2022.

How has the population of Jefferson County, ID changed in the last 10 years?

Between 2012 and 2022, population of Jefferson County increased by 6,619 (24.69%). The population was highest at 33,428 in the year 2022 and lowest at 26,809 in the year 2013. Overall the average growth rate witnessed for the last 10 years was 2.30%.

References

Datasets

Explore datasets by year of publication.
2023
Jefferson County, ID 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 Jefferson 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 Jefferson 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 Jefferson County was 33,428, a 3.64% increase year-by-year from 2021. Previously, in 2021, Jefferson County population was 32,253, an increase of 3.78% compared to a population of 31,077 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Jefferson County increased by 14,267. In this period, the peak population was 33,428 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).

Jefferson 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 Jefferson County is shown in this column.
  • Year on Year Change: This column displays the change in Jefferson 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 Jefferson 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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