| 年份 | 户籍人口(万人) |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | 28.95 |
| 2017 | 29.32 |
| 2016 | 30.06 |
| 2015 | 30.30 |
| 2014 | 30.60 |
| 2013 | 30.86 |
| 2012 | 31.03 |
| 2011 | 31.18 |
| 2010 | 31.34 |
| 2009 | 31.67 |
| 2008 | 31.81 |
| 2007 | 32 |
| 2006 | 32.30 |
| 2005 | 32.40 |
| 2004 | 32.80 |
| 2003 | 33.40 |
| 2002 | 33.30 |
| 2001 | 33.50 |
| 2000 | 33.60 |
| 1999 |
