| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 34.1 |
| 2024 | — |
| 2023 | 34.3 |
| 2022 | — |
| 2021 | — |
| 2020 | 34.6 |
| 2019 | 35.7 |
| 2018 | 34.8 |
| 2017 | 34 |
| 2016 | 32.7 |
| 2015 | 31.4 |
| 2014 | 31.6 |
| 2013 | 31.6 |
| 2012 | — |
| 2011 | 31.9 |
| 2010 | 31.7 |
| 2009 | 28.8 |
| 2008 | 28.7 |
| 2007 | 28.6 |
| 2006 | 28.6 |
| 2005 | 28 |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | 27 |
| 2000 | 26.9 |
| 1999 | — |
| 0 | — |