| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 23.3 |
| 2020 | 23.228 |
| 2019 | 23.133 |
| 2018 | 22.957 |
| 2017 | 22.66 |
| 2016 | 22.32 |
| 2015 | 21.68 |
| 2014 | 21.84 |
| 2013 | 22 |
| 2012 | 22 |
| 2011 | 22 |
| 2010 | 22 |
| 2009 | 21.11 |
| 2008 | 21.03 |
| 2007 | 20.86 |
| 2006 | 20.69 |
| 2005 | 20.5 |
| 2004 | 20.37 |
| 2003 | 20.13 |
| 2002 | 19.9 |
| 2001 | 19.73 |
| 2000 | 20 |
| 1999 | 19.43 |