| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 21.25 |
| 2024 | — |
| 2023 | 21.47 |
| 2022 | 21.53 |
| 2021 | 21.55 |
| 2020 | 21.77 |
| 2019 | 21.94 |
| 2018 | 22.07 |
| 2017 | 22.1 |
| 2016 | 22 |
| 2015 | 21.88 |
| 2014 | 21.76 |
| 2013 | 21.72 |
| 2012 | 21.8 |
| 2011 | — |
| 2010 | 21.71 |
| 2009 | 25.36 |
| 2008 | 25.25 |
| 2007 | 25.14 |
| 2006 | 24.67 |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |