Islip, New York population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Islip town increased by 13,728. In this period, the peak population was 340,415 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 | 339,077 | 9,261 | 2.81% |
| 2021 | 340,415 | 1,338 | 0.39% |
| 2022 | 338,386 | -2,029 | -0.60% |
| 2023 | 336,822 | -1,564 | -0.46% |
TABLE OF CONTENTS
Islip, New York population from 2000 to 2023
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 3,537 (1.05%), 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, Islip town's population decreased by 2,255 (0.67%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Islip town's population from 2000 to 2023.
The estimated population at the end of 2023 was 336,822.
Between the year 2000 and 2023, Islip town's population peaked in year 2021 at 340,415.
Between the year 2000 and 2023, Islip town's population was lowest in year 2000 at 323,094.
Islip, New York annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Islip town grew year by year for 9 years and declined for 14 years.
From 2000 to 2023, Islip town had an average annual population growth rate of 0.18% per year. Overall the population grew 4.25% between 2000 and 2023.
FIGURE 2
Islip town annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.18% per year.
From 2009 to 2010 Islip town population grew the most, with an increase of 11,432 people (a 3.53% year-on-year increase)..
From 2021 to 2022 Islip town population experienced the most significant decrease, with a decline of 2,029 people (a 0.60% year-on-year decline).
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 3,593 between 2021 and 2023. The decrease was 2,029 (increased) between 2021 and 2022; and decrease of 1,564 (0.46%) between 2022 and 2023.
How has the population of Islip, New York changed in the last 10 years?
Between 2013 and 2023, population of Islip town increased by 1,148 (0.34%). The population was highest at 340,415 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 0.04%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)