| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | 21.4407 |
| 2022 | 21.4407 |
| 2021 | 21.5 |
| 2020 | 21.643 |
| 2019 | 21.73 |
| 2018 | 21.88 |
| 2017 | 22.37 |
| 2016 | 22.52 |
| 2015 | 22.34 |
| 2014 | 22.08 |
| 2013 | 22.57 |
| 2012 | 22.16 |
| 2011 | 21.876 |
| 2010 | 21.53 |
| 2009 | 20.91 |
| 2008 | 20.59 |
| 2007 | 20.38 |
| 2006 | 20.29 |
| 2005 | 20.01 |
| 2004 | 19.59 |
| 2003 | 19.34 |
| 2002 | 19.24 |
| 2001 | 19.12 |
| 2000 | 19.09 |
| 1999 | 18.93 |