| 年份 | 户籍人口(万人) |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | 28.21 |
| 2017 | 28.66 |
| 2016 | 29.06 |
| 2015 | 29.33 |
| 2014 | 29.67 |
| 2013 | 29.75 |
| 2012 | 29.89 |
| 2011 | 30.01 |
| 2010 | 30.24 |
| 2009 | 30.61 |
| 2008 | 30.80 |
| 2007 | 30.70 |
| 2006 | 30.80 |
| 2005 | 31.50 |
| 2004 | 31.90 |
| 2003 | 32.10 |
| 2002 | 32.40 |
| 2001 | 32.81 |
| 2000 | 32.86 |
| 1999 |
