Siskiyou County, CA Population by Year

In 2022, the population of Siskiyou County was 43,660, a 0.83% decrease year-by-year from 2021. Previously, in 2021, Siskiyou County's population was 44,026, an increase of 0.08% compared to a population of 43,991 in 2020.
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Updated Sep 18, 2023

Siskiyou County, CA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Siskiyou County decreased by 534. In this period, the peak population was 44,941 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 44,194 - -
2001 43,893 -301 -0.68%
2002 43,957 64 0.15%
2003 44,281 324 0.74%
2004 44,382 101 0.23%
2005 44,622 240 0.54%
2006 44,449 -173 -0.39%
2007 44,414 -35 -0.08%
2008 44,723 309 0.7%
2009 44,710 -13 -0.03%
2010 44,941 231 0.52%
2011 44,622 -319 -0.71%
2012 44,091 -531 -1.19%
2013 43,550 -541 -1.23%
2014 43,357 -193 -0.44%
2015 43,275 -82 -0.19%
2016 43,402 127 0.29%
2017 43,647 245 0.56%
2018 43,624 -23 -0.05%
2019 43,663 39 0.09%
2020 43,991 328 0.75%
2021 44,026 35 0.08%
2022 43,660 -366 -0.83%
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Siskiyou County, CA population from 2000 to 2022

From 2000 to 2010, Siskiyou County's population increased by 747 (1.69%), 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, Siskiyou County's population decreased by 950 (2.11%), 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 Siskiyou County's population from 2000 to 2022, with years on x-axis and population on y-axis
Siskiyou County's population from 2000 to 2022. The estimated population at the end of 2022 was 43,660. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Siskiyou County's population peaked in year 2010 at 44,941.

Between the year 2000 and 2022, Siskiyou County's population was lowest in year 2015 at 43,275.

Siskiyou County, CA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Siskiyou County grew year by year for 11 years and declined for 11 years.

From 2000 to 2022, Siskiyou County had an average annual population growth rate of -0.05% per year. Overall the population shrank 1.21% between 2000 and 2022.

The graph shows Siskiyou County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Siskiyou County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was -0.05% per year. In the last two years, the population declined by 331. Source: U.S. Census Bureau (Population Estimates Program)

From 2019 to 2020, Siskiyou County's population grew the most with an increase of 328 (0.75%).

While from 2012 and 2013, Siskiyou County's population declined the most with a negative growth of 541 (-1.23%).

Things to know

Is Siskiyou County, CA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Siskiyou County's population decreased by 331 between 2020 and 2022. The increase was 35 (0.08%) between 2020 and 2021; and decrease of 366 (0.83%) between 2021 and 2022.

How has the population of Siskiyou County, CA changed in the last 10 years?

Between 2012 and 2022, population of Siskiyou County increased by 110 (0.25%). The population was highest at 44,026 in the year 2021 and lowest at 43,275 in the year 2015. Overall the average growth rate witnessed for the last 10 years was -0.10%.

References

Datasets

Explore datasets by year of publication.
2023
Siskiyou County, CA 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 Siskiyou 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 Siskiyou 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 Siskiyou County was 43,660, a 0.83% decrease year-by-year from 2021. Previously, in 2021, Siskiyou County population was 44,026, an increase of 0.08% compared to a population of 43,991 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Siskiyou County decreased by 534. In this period, the peak population was 44,941 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).

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