Suffolk County, NY population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Suffolk County increased by 99,632. In this period, the peak population was 1.53 million 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 | 1,423,538 | - | - |
| 2001 | 1,439,224 | 15,686 | 1.10% |
| 2002 | 1,450,636 | 11,412 | 0.79% |
| 2003 | 1,461,742 | 11,106 | 0.77% |
| 2004 | 1,466,081 | 4,339 | 0.30% |
| 2005 | 1,462,463 | -3,618 | -0.25% |
| 2006 | 1,457,103 | -5,360 | -0.37% |
| 2007 | 1,453,600 | -3,503 | -0.24% |
| 2008 | 1,455,187 | 1,587 | 0.11% |
| 2009 | 1,458,653 | 3,466 | 0.24% |
| 2010 | 1,494,337 | 35,684 | 2.45% |
| 2011 | 1,498,910 | 4,573 | 0.31% |
| 2012 | 1,497,017 | -1,893 | -0.13% |
| 2013 | 1,497,389 | 372 | 0.02% |
| 2014 | 1,495,553 | -1,836 | -0.12% |
| 2015 | 1,491,997 | -3,556 | -0.24% |
| 2016 | 1,486,699 | -5,298 | -0.36% |
| 2017 | 1,483,862 | -2,837 | -0.19% |
| 2018 | 1,482,275 | -1,587 | -0.11% |
| 2019 | 1,478,325 | -3,950 | -0.27% |
| 2020 | 1,522,064 | 43,739 | 2.96% |
| 2021 | 1,533,815 | 11,751 | 0.77% |
| 2022 | 1,527,974 | -5,841 | -0.38% |
| 2023 | 1,523,170 | -4,804 | -0.31% |
TABLE OF CONTENTS
Suffolk County, NY population from 2000 to 2023
From 2000 to 2010, Suffolk County's population increased by 70,799 (4.97%), 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, Suffolk County's population increased by 27,727 (1.86%), 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, Suffolk County's population increased by 1,106 (0.07%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Suffolk County's population from 2000 to 2023.
The estimated population at the end of 2023 was 1.52 million.
Between the year 2000 and 2023, Suffolk County's population peaked in year 2021 at 1.53 million.
Between the year 2000 and 2023, Suffolk County's population was lowest in year 2000 at 1.42 million.
Suffolk County, NY annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Suffolk County grew year by year for 11 years and declined for 12 years.
From 2000 to 2023, Suffolk County had an average annual population growth rate of 0.30% per year. Overall the population grew 7% between 2000 and 2023.
FIGURE 2
Suffolk County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.30% per year.
From 2019 to 2020 Suffolk County population grew the most, with an increase of 43,739 people (a 2.96% year-on-year increase)..
From 2021 to 2022 Suffolk County population experienced the most significant decrease, with a decline of 5,841 people (a 0.38% year-on-year decline).
Things to know
Is Suffolk County, NY population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Suffolk County's population decreased by 10,645 between 2021 and 2023. The decrease was 5,841 (increased) between 2021 and 2022; and decrease of 4,804 (0.31%) between 2022 and 2023.
How has the population of Suffolk County, NY changed in the last 10 years?
Between 2013 and 2023, population of Suffolk County increased by 25,781 (1.72%). The population was highest at 1.53 million in the year 2021 and lowest at 1.48 million in the year 2019. Overall the average growth rate witnessed for the last 10 years was 0.18%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)