| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 28 |
| 2020 | 28.184 |
| 2019 | 28.134 |
| 2018 | 28 |
| 2017 | 25.34 |
| 2016 | 27.89 |
| 2015 | 27.62 |
| 2014 | 27.4 |
| 2013 | 27.13 |
| 2012 | 26.6 |
| 2011 | 26.2 |
| 2010 | 25.8 |
| 2009 | 24.8 |
| 2008 | 24.3 |
| 2007 | 24 |
| 2006 | 23.1 |
| 2005 | 23.06 |
| 2004 | 23 |
| 2003 | 23.14 |
| 2002 | 23.09 |
| 2001 | 23.04 |
| 2000 | 23.06 |
| 1999 | 22.2 |