| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 31.6 |
| 2020 | 31.713 |
| 2019 | 31.855 |
| 2018 | 31.46 |
| 2017 | 31.31 |
| 2016 | 30.98 |
| 2015 | 30.87 |
| 2014 | 30.65 |
| 2013 | 30.49 |
| 2012 | 30.3 |
| 2011 | 30.12 |
| 2010 | 29.94 |
| 2009 | 30 |
| 2008 | 29.58 |
| 2007 | 29.38 |
| 2006 | 29.18 |
| 2005 | 29 |
| 2004 | 29.3 |
| 2003 | 29 |
| 2002 | 28.8 |
| 2001 | 28.6 |
| 2000 | 28.5 |
| 1999 | 28.25 |