| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 19.36 |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | 19.8 |
| 2018 | 19.65 |
| 2017 | 19.53 |
| 2016 | 19.5 |
| 2015 | 19.5 |
| 2014 | 19.4 |
| 2013 | 19.41 |
| 2012 | 19.38 |
| 2011 | 19.28 |
| 2010 | 19.24 |
| 2009 | 19.58 |
| 2008 | 19.49 |
| 2007 | 19.48 |
| 2006 | 19.45 |
| 2005 | 19.41 |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |