| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 30.8 |
| 2020 | 31.022 |
| 2019 | 31.247 |
| 2018 | 31.292 |
| 2017 | 31 |
| 2016 | 31 |
| 2015 | 31 |
| 2014 | 31 |
| 2013 | 31 |
| 2012 | 31 |
| 2011 | 31 |
| 2010 | 31 |
| 2009 | 28.1 |
| 2008 | 27.8 |
| 2007 | 27.5 |
| 2006 | 27.5 |
| 2005 | 27.27 |
| 2004 | 27.08 |
| 2003 | 27.02 |
| 2002 | 27.08 |
| 2001 | 26.9 |
| 2000 | 26.9 |
| 1999 | 26.58 |