Mercer Island, WA Population by Year

In 2022, the population of Mercer Island was 25,172, a 1.26% decrease year-by-year from 2021. Previously, in 2021, Mercer Island's population was 25,492, a decline of 0.98% compared to a population of 25,744 in 2020.
Neilsberg Research Avatar
Updated Sep 18, 2023

Mercer Island, WA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Mercer Island increased by 3,103. In this period, the peak population was 25,906 in the year 2018. 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 22,069 - -
2001 22,281 212 0.96%
2002 22,253 -28 -0.13%
2003 22,279 26 0.12%
2004 22,182 -97 -0.44%
2005 22,914 732 3.3%
2006 23,460 546 2.38%
2007 23,795 335 1.43%
2008 24,332 537 2.26%
2009 24,603 271 1.11%
2010 22,770 -1,833 -7.45%
2011 23,545 775 3.4%
2012 24,061 516 2.19%
2013 24,445 384 1.6%
2014 24,756 311 1.27%
2015 25,383 627 2.53%
2016 25,623 240 0.95%
2017 25,756 133 0.52%
2018 25,906 150 0.58%
2019 25,877 -29 -0.11%
2020 25,744 -133 -0.51%
2021 25,492 -252 -0.98%
2022 25,172 -320 -1.26%
Exploring Mercer Island's Diversity? Request Customized Data Now!

Mercer Island, WA population from 2000 to 2022

From 2000 to 2010, Mercer Island's population increased by 701 (3.18%), 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, Mercer Island's population increased by 2,974 (13.06%), 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 Mercer Island's population from 2000 to 2022, with years on x-axis and population on y-axis
Mercer Island's population from 2000 to 2022. The estimated population at the end of 2022 was 25,172. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Mercer Island's population peaked in year 2018 at 25,906.

Between the year 2000 and 2022, Mercer Island's population was lowest in year 2000 at 22,069.

Mercer Island, WA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Mercer Island grew year by year for 15 years and declined for 7 years.

From 2000 to 2022, Mercer Island had an average annual population growth rate of 0.64% per year. Overall the population grew 14.06% between 2000 and 2022.

The graph shows Mercer Island's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Mercer Island'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 declined by 572. Source: U.S. Census Bureau (Population Estimates Program)

From 2010 to 2011, Mercer Island's population grew the most with an increase of 775 (3.40%).

While from 2009 and 2010, Mercer Island's population declined the most with a negative growth of 1,833 (-7.45%).

Things to know

Is Mercer Island, WA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Mercer Island's population decreased by 572 between 2020 and 2022. The decrease was 252 (0.98%) between 2020 and 2021; and decrease of 320 (1.26%) between 2021 and 2022.

How has the population of Mercer Island, WA changed in the last 10 years?

Between 2012 and 2022, population of Mercer Island increased by 727 (2.97%). The population was highest at 25,906 in the year 2018 and lowest at 24,445 in the year 2013. Overall the average growth rate witnessed for the last 10 years was 0.46%.

References

Datasets

Explore datasets by year of publication.
2023
Mercer Island, WA 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 Mercer Island 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 Mercer Island 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 Mercer Island was 25,172, a 1.26% decrease year-by-year from 2021. Previously, in 2021, Mercer Island population was 25,492, a decline of 0.98% compared to a population of 25,744 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Mercer Island increased by 3,103. In this period, the peak population was 25,906 in the year 2018. 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).

Mercer Island 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 Mercer Island is shown in this column.
  • Year on Year Change: This column displays the change in Mercer Island 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 Mercer Island 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.

About the author

Neilsberg Research Avatar
Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.