| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 26.53 |
| 2024 | — |
| 2023 | 27.53 |
| 2022 | — |
| 2021 | 27.9 |
| 2020 | 28.12 |
| 2019 | 30.36 |
| 2018 | 30.43 |
| 2017 | 30.5 |
| 2016 | 30.45 |
| 2015 | 30.37 |
| 2014 | 30.29 |
| 2013 | 30.22 |
| 2012 | 30.16 |
| 2011 | — |
| 2010 | 30.02 |
| 2009 | 30.9 |
| 2008 | 30.82 |
| 2007 | 30.82 |
| 2006 | 30.44 |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |