| 年份 | 户籍人口(万人) |
|---|---|
| 2023 | — |
| 2022 | — |
| 2021 | 20.8 |
| 2020 | 20.992 |
| 2019 | 21.216 |
| 2018 | 8.286 |
| 2017 | 21.59 |
| 2016 | 21.79 |
| 2015 | 22.18 |
| 2014 | 22.23 |
| 2013 | 22.3 |
| 2012 | 22.36 |
| 2011 | 22.4 |
| 2010 | 22.45 |
| 2009 | 22.48 |
| 2008 | 22.5 |
| 2007 | 22.51 |
| 2006 | 22.57 |
| 2005 | 22.67 |
| 2004 | 22.8 |
| 2003 | 22.9 |
| 2002 | 23.2 |
| 2001 | 23.2 |
| 2000 | 23.07 |
| 1999 | 23.16 |