Islip, New York Population by Year

In 2022, the population of Islip town was 337,922, a 0.68% decrease year-by-year from 2021. Previously, in 2021, Islip town's population was 340,222, an increase of 0.35% compared to a population of 339,044 in 2020.
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Updated Sep 18, 2023

Islip, New York population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Islip town increased by 14,828. In this period, the peak population was 340,222 in the year 2021. 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 323,094 - -
2001 325,848 2,754 0.85%
2002 327,611 1,763 0.54%
2003 328,453 842 0.26%
2004 328,509 56 0.02%
2005 326,798 -1,711 -0.52%
2006 324,886 -1,912 -0.59%
2007 323,731 -1,155 -0.36%
2008 323,545 -186 -0.06%
2009 324,108 563 0.17%
2010 335,540 11,432 3.53%
2011 336,421 881 0.26%
2012 335,854 -567 -0.17%
2013 335,674 -180 -0.05%
2014 334,896 -778 -0.23%
2015 333,715 -1,181 -0.35%
2016 332,161 -1,554 -0.47%
2017 331,221 -940 -0.28%
2018 330,854 -367 -0.11%
2019 329,816 -1,038 -0.31%
2020 339,044 9,228 2.8%
2021 340,222 1,178 0.35%
2022 337,922 -2,300 -0.68%
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Islip, New York population from 2000 to 2022

From 2000 to 2010, Islip town's population increased by 12,446 (3.85%), 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, Islip town's population increased by 3,504 (1.04%), 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 Islip town's population from 2000 to 2022, with years on x-axis and population on y-axis
Islip town's population from 2000 to 2022. The estimated population at the end of 2022 was 337,922. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Islip town's population peaked in year 2021 at 340,222.

Between the year 2000 and 2022, Islip town's population was lowest in year 2000 at 323,094.

Islip, New York annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Islip town grew year by year for 9 years and declined for 13 years.

From 2000 to 2022, Islip town had an average annual population growth rate of 0.21% per year. Overall the population grew 4.59% between 2000 and 2022.

The graph shows Islip town's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Islip town's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 0.21% per year. In the last two years, the population declined by 1,122. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Islip town's population grew the most with an increase of 11,432 (3.53%).

While from 2021 and 2022, Islip town's population declined the most with a negative growth of 2,300 (-0.68%).

Things to know

Is Islip, New York population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Islip town's population decreased by 1,122 between 2020 and 2022. The increase was 1,178 (0.35%) between 2020 and 2021; and decrease of 2,300 (0.68%) between 2021 and 2022.

How has the population of Islip, New York changed in the last 10 years?

Between 2012 and 2022, population of Islip town increased by 2,248 (0.67%). The population was highest at 340,222 in the year 2021 and lowest at 329,816 in the year 2019. Overall the average growth rate witnessed for the last 10 years was 0.07%.

References

Datasets

Explore datasets by year of publication.
2023
Islip, New York 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 Islip town 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 Islip town 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 Islip town was 337,922, a 0.68% decrease year-by-year from 2021. Previously, in 2021, Islip town population was 340,222, an increase of 0.35% compared to a population of 339,044 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Islip town increased by 14,828. In this period, the peak population was 340,222 in the year 2021. 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).

Islip town 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 Islip town is shown in this column.
  • Year on Year Change: This column displays the change in Islip town 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 Islip town 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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Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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