| 年份 | 常住人口数(万人) |
|---|---|
| 2024 | — |
| 2023 | 27.45 |
| 2022 | — |
| 2021 | 275665 |
| 2020 | — |
| 2019 | 24.56 |
| 2018 | 23.9 |
| 2017 | 8.1 |
| 2016 | 28.94 |
| 2015 | 28.75 |
| 2014 | 28.61 |
| 2013 | 28.46 |
| 2012 | 28.31 |
| 2011 | 28.27 |
| 2010 | 28.15 |
| 2009 | 30.3 |
| 2008 | 30.14 |
| 2007 | 30.03 |
| 2006 | 29.86 |
| 2005 | 29.67 |
| 2004 | 29.49 |
| 2003 | 29.31 |
| 2002 | 29.14 |
| 2001 | 28.95 |
| 2000 | 28.75 |
| 1999 | — |