| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 28.9 |
| 2020 | 28.592 |
| 2019 | 28.417 |
| 2018 | 28.324 |
| 2017 | 28 |
| 2016 | 27 |
| 2015 | 26 |
| 2014 | 25.6 |
| 2013 | 26.6 |
| 2012 | 26.1 |
| 2011 | 25.6 |
| 2010 | 25.4 |
| 2009 | 25.1 |
| 2008 | 24.5 |
| 2007 | 23.8 |
| 2006 | 23.5 |
| 2005 | 23.5 |
| 2004 | 23.5 |
| 2003 | 20.79 |
| 2002 | 20.79 |
| 2001 | 22.8 |
| 2000 | 22.6 |
| 1999 | 22.31 |