| 年份 | 户籍人口(万人) |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 22.9 |
| 2020 | 23.046 |
| 2019 | 23.316 |
| 2018 | 23.2 |
| 2017 | 21.37 |
| 2016 | 23.28 |
| 2015 | 20.94 |
| 2014 | 20.67 |
| 2013 | 22.66 |
| 2012 | 22.1 |
| 2011 | 21.8 |
| 2010 | 21.5 |
| 2009 | 20.5 |
| 2008 | 20 |
| 2007 | 19.4 |
| 2006 | 18.9 |
| 2005 | 18.65 |
| 2004 | 18 |
| 2003 | 18.72 |
| 2002 | 18.63 |
| 2001 | 18.58 |
| 2000 | 18.13 |
| 1999 | 18 |