Napa County, CA Population by Year

In 2023, the population of Napa County was 133,216, a 0.86% decrease year-by-year from 2022. Previously, in 2022, Napa County's population was 134,370, a decline of 1.39% compared to a population of 136,265 in 2021.
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Updated Aug 1, 2024

Napa County, CA population between 2000 and 2023

Over the last 20 plus years, between 2000 and 2023, population of Napa County increased by 8,612. In this period, the peak population was 140,778 in the year 2016. 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 124,604 - -
2001 126,879 2,275 1.83%
2002 128,843 1,964 1.55%
2003 130,255 1,412 1.10%
2004 130,539 284 0.22%
2005 130,516 -23 -0.02%
2006 131,546 1,030 0.79%
2007 132,667 1,121 0.85%
2008 134,295 1,628 1.23%
2009 135,285 990 0.74%
2010 136,752 1,467 1.08%
2011 137,668 916 0.67%
2012 138,504 836 0.61%
2013 139,522 1,018 0.73%
2014 140,331 809 0.58%
2015 140,766 435 0.31%
2016 140,778 12 0.01%
2017 139,818 -960 -0.68%
2018 138,620 -1,198 -0.86%
2019 137,678 -942 -0.68%
2020 137,459 -219 -0.16%
2021 136,265 -1,194 -0.87%
2022 134,370 -1,895 -1.39%
2023 133,216 -1,154 -0.86%
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Napa County, CA population from 2000 to 2023

From 2000 to 2010, Napa County's population increased by 12,148 (9.75%), 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, Napa County's population increased by 707 (0.52%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.18% .

After the COVID19 pandemic and, between the year 2020 and 2023, Napa County's population decreased by 4,243 (3.09%).For the same period, the rate of growth for the United States was 1.02%.

FIGURE 1

Napa County's population from 2000 to 2023.

The estimated population at the end of 2023 was 133,216.

Source: U.S. Census Bureau (Population Estimates Program).

Between the year 2000 and 2023, Napa County's population peaked in year 2016 at 140,778.

Between the year 2000 and 2023, Napa County's population was lowest in year 2000 at 124,604.

Napa County, CA annual population growth rate

Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Napa County grew year by year for 15 years and declined for 8 years.

From 2000 to 2023, Napa County had an average annual population growth rate of 0.30% per year. Overall the population grew 6.91% between 2000 and 2023.

FIGURE 2

Napa County annual population growth rate

The average annual growth rate from 2000 to 2023 was 0.30% per year.

Source: U.S. Census Bureau (Population Estimates Program).

From 2000 to 2001 Napa County population grew the most, with an increase of 2,275 people (a 1.83% year-on-year increase)..

From 2021 to 2022 Napa County population experienced the most significant decrease, with a decline of 1,895 people (a 1.39% year-on-year decline).

Things to know

Is Napa County, CA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Napa County's population decreased by 3,049 between 2021 and 2023. The decrease was 1,895 (increased) between 2021 and 2022; and decrease of 1,154 (0.86%) between 2022 and 2023.

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

Between 2013 and 2023, population of Napa County decreased by 6,306 (4.52%). The population was highest at 140,778 in the year 2016 and lowest at 133,216 in the year 2023. Overall the average growth rate witnessed for the last 10 years was -0.46%.

References

Datasets

Explore datasets by year of publication.
2024
Napa County, CA Annual Population and Growth Analysis Dataset: A Comprehensive Overview of Population Changes and Yearly Growth Rates in Napa County from 2000 to 2023 // 2024 Edition
Last updated July 30, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Napa 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 Napa 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 2023, the population of Napa County was 133,216, a 0.86% decrease year-by-year from 2022. Previously, in 2022, Napa County population was 134,370, a decline of 1.39% compared to a population of 136,265 in 2021. Over the last 20 plus years, between 2000 and 2023, population of Napa County increased by 8,612. In this period, the peak population was 140,778 in the year 2016. 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).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

  • From 2000 to 2023

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2023)
  • Population: The population for the specific year for the Napa County is shown in this column.
  • Year on Year Change: This column displays the change in Napa 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.

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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 Napa 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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Population of places that contain Napa County

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