| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 31.3 |
| 2020 | 31.476 |
| 2019 | 31.537 |
| 2018 | 31.63 |
| 2017 | 32 |
| 2016 | 32 |
| 2015 | 31 |
| 2014 | 32 |
| 2013 | 30 |
| 2012 | 30 |
| 2011 | 29.3 |
| 2010 | 29 |
| 2009 | 28.9 |
| 2008 | 28.6 |
| 2007 | 28.3 |
| 2006 | 27.9 |
| 2005 | 27.6 |
| 2004 | 28.1 |
| 2003 | 27.2 |
| 2002 | 27.1 |
| 2001 | 27 |
| 2000 | 26.8 |
| 1999 | 26.39 |