| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 29.95 |
| 2019 | 30.09 |
| 2018 | 30.59 |
| 2017 | 30.5 |
| 2016 | 32.55 |
| 2015 | 30.3 |
| 2014 | 30.6 |
| 2013 | 30.6 |
| 2012 | 30 |
| 2011 | 30 |
| 2010 | 30 |
| 2009 | 30 |
| 2008 | 29.8 |
| 2007 | 29.45 |
| 2006 | 29.1 |
| 2005 | 23.9 |
| 2004 | 23.7 |
| 2003 | 23.6 |
| 2002 | 23.4 |
| 2001 | 23.3 |
| 2000 | 23.3 |
| 1999 | — |