| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 29 |
| 2020 | 28.946 |
| 2019 | 28.91 |
| 2018 | 29 |
| 2017 | 28.53 |
| 2016 | 28.42 |
| 2015 | 28.2 |
| 2014 | 28.21 |
| 2013 | 28.07 |
| 2012 | 27.97 |
| 2011 | 27.91 |
| 2010 | 27.89 |
| 2009 | 28.06 |
| 2008 | 28 |
| 2007 | 27.9 |
| 2006 | 27.8 |
| 2005 | 27.6 |
| 2004 | 27.5 |
| 2003 | 27.2 |
| 2002 | 27.1 |
| 2001 | 28 |
| 2000 | 27.3 |
| 1999 | 27.18 |
| 0 | 0 |