| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 21.3 |
| 2020 | 21.308 |
| 2019 | 21.58 |
| 2018 | 21.5 |
| 2017 | 21.32 |
| 2016 | 21.24 |
| 2015 | 21.14 |
| 2014 | 21.09 |
| 2013 | 21.03 |
| 2012 | 21.01 |
| 2011 | 20.99 |
| 2010 | 20.88 |
| 2009 | 21.49 |
| 2008 | 21.46 |
| 2007 | 21.44 |
| 2006 | 21.41 |
| 2005 | 21.4 |
| 2004 | 20.5 |
| 2003 | 20.4 |
| 2002 | 20.4 |
| 2001 | 20.2 |
| 2000 | 20.4 |
| 1999 | 20.15 |