| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 32.02 |
| 2024 | — |
| 2023 | 32.01 |
| 2022 | 31.98 |
| 2021 | 31.95 |
| 2021 | 31.95 |
| 2020 | 31.74 |
| 2019 | 32.03 |
| 2018 | 32.03 |
| 2017 | 31.85 |
| 2016 | 31.75 |
| 2015 | 31.5 |
| 2014 | 31.33 |
| 2013 | 31.27 |
| 2012 | 31.14 |
| 2011 | 30.86 |
| 2010 | 30.8 |
| 2009 | 27.08 |
| 2008 | 26.6 |
| 2007 | 26.18 |
| 2006 | 26.1 |
| 2005 | 27.55 |
| 2004 | 28.61 |
| 2003 | 25.46 |
| 2002 | 25.28 |
| 2001 | 25.12 |
| 2000 | — |
| 1999 | — |