Mendocino County, CA Population by Year

In 2022, the population of Mendocino County was 89,783, a 1.34% decrease year-by-year from 2021. Previously, in 2021, Mendocino County's population was 91,003, a decline of 0.39% compared to a population of 91,361 in 2020.
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Updated Sep 18, 2023

Mendocino County, CA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Mendocino County increased by 3,410. In this period, the peak population was 91,361 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 86,373 - -
2001 86,673 300 0.35%
2002 87,056 383 0.44%
2003 87,678 622 0.71%
2004 87,419 -259 -0.3%
2005 87,219 -200 -0.23%
2006 86,418 -801 -0.92%
2007 85,993 -425 -0.49%
2008 86,218 225 0.26%
2009 86,299 81 0.09%
2010 87,796 1,497 1.73%
2011 87,335 -461 -0.53%
2012 87,293 -42 -0.05%
2013 87,070 -223 -0.26%
2014 87,247 177 0.2%
2015 87,131 -116 -0.13%
2016 87,319 188 0.22%
2017 87,690 371 0.42%
2018 87,549 -141 -0.16%
2019 86,932 -617 -0.7%
2020 91,361 4,429 5.09%
2021 91,003 -358 -0.39%
2022 89,783 -1,220 -1.34%
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Mendocino County, CA population from 2000 to 2022

From 2000 to 2010, Mendocino County's population increased by 1,423 (1.65%), 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, Mendocino County's population increased by 3,565 (4.06%), 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 Mendocino County's population from 2000 to 2022, with years on x-axis and population on y-axis
Mendocino County's population from 2000 to 2022. The estimated population at the end of 2022 was 89,783. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Mendocino County's population peaked in year 2020 at 91,361.

Between the year 2000 and 2022, Mendocino County's population was lowest in year 2007 at 85,993.

Mendocino County, CA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Mendocino County grew year by year for 10 years and declined for 12 years.

From 2000 to 2022, Mendocino County had an average annual population growth rate of 0.18% per year. Overall the population grew 3.95% between 2000 and 2022.

The graph shows Mendocino County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Mendocino County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 0.18% per year. In the last two years, the population declined by 1,578. Source: U.S. Census Bureau (Population Estimates Program)

From 2019 to 2020, Mendocino County's population grew the most with an increase of 4,429 (5.09%).

While from 2021 and 2022, Mendocino County's population declined the most with a negative growth of 1,220 (-1.34%).

Things to know

Is Mendocino County, CA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Mendocino County's population decreased by 1,578 between 2020 and 2022. The decrease was 358 (0.39%) between 2020 and 2021; and decrease of 1,220 (1.34%) between 2021 and 2022.

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

Between 2012 and 2022, population of Mendocino County increased by 2,713 (3.12%). The population was highest at 91,361 in the year 2020 and lowest at 86,932 in the year 2019. Overall the average growth rate witnessed for the last 10 years was 0.30%.

References

Datasets

Explore datasets by year of publication.
2023
Mendocino 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 Mendocino 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 Mendocino 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 Mendocino County was 89,783, a 1.34% decrease year-by-year from 2021. Previously, in 2021, Mendocino County population was 91,003, a decline of 0.39% compared to a population of 91,361 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Mendocino County increased by 3,410. In this period, the peak population was 91,361 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).

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