| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | — |
| 2018 | 28.4 |
| 2017 | 29 |
| 2016 | 29.82 |
| 2015 | 30.2 |
| 2014 | 30.58 |
| 2013 | 30.8 |
| 2012 | 31.16 |
| 2011 | 31.44 |
| 2010 | 25.26 |
| 2009 | 26.95 |
| 2008 | 27.3 |
| 2007 | 27.3 |
| 2006 | 28.3 |
| 2005 | 29.2 |
| 2004 | 30 |
| 2003 | 30 |
| 2002 | 29.7 |
| 2001 | 29.52 |
| 2000 | 29.56 |
| 1999 | — |