| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 30 |
| 2020 | 30.06 |
| 2019 | 30.13 |
| 2018 | 29.47 |
| 2017 | 29.29 |
| 2016 | 29.09 |
| 2015 | 28.99 |
| 2014 | 28.905 |
| 2013 | 29.018 |
| 2012 | 29.449 |
| 2011 | 29.317 |
| 2010 | 29.185 |
| 2009 | 29.044 |
| 2008 | 29.809 |
| 2007 | 29.738 |
| 2006 | 29.674 |
| 2005 | 29.466 |
| 2004 | 31.967 |
| 2003 | 31.894 |
| 2002 | 32 |
| 2001 | 34.1 |
| 2000 | 34.2 |
| 1999 | — |