| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 20.03 |
| 2024 | — |
| 2023 | 20.1 |
| 2022 | 20.17 |
| 2021 | 20.24 |
| 2020 | 20.48 |
| 2019 | 22.55 |
| 2018 | 22.54 |
| 2017 | 22.55 |
| 2016 | 22.46 |
| 2015 | 22.34 |
| 2014 | 22.28 |
| 2013 | 22.21 |
| 2012 | 22.18 |
| 2011 | — |
| 2010 | 22.17 |
| 2009 | 22.1 |
| 2008 | 22.04 |
| 2007 | 21.97 |
| 2006 | 21.91 |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |