| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 29.3 |
| 2020 | 29.253 |
| 2019 | 29.208 |
| 2018 | 31.16 |
| 2017 | 31.04 |
| 2016 | 31.02 |
| 2015 | 30.88 |
| 2014 | 31.04 |
| 2013 | 30.9 |
| 2012 | 30.7 |
| 2011 | 30.4 |
| 2010 | 30.11 |
| 2009 | 30.5 |
| 2008 | 30.36 |
| 2007 | 30.19 |
| 2006 | 29.98 |
| 2005 | 29.6 |
| 2004 | 27 |
| 2003 | 26.7 |
| 2002 | 26.5 |
| 2001 | 26.4 |
| 2000 | 26.3 |
| 1999 | 26.06 |