| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 22.3 |
| 2020 | 22.23 |
| 2019 | 22.17 |
| 2018 | 22.08 |
| 2017 | 21.88 |
| 2016 | 21.67 |
| 2015 | 21.53 |
| 2014 | 21.4 |
| 2013 | 21.2 |
| 2012 | 20.9 |
| 2011 | 20.97 |
| 2010 | 20.92 |
| 2009 | 20.73 |
| 2008 | 20.63 |
| 2007 | 20.48 |
| 2006 | 20.34 |
| 2005 | 20.33 |
| 2004 | 20.32 |
| 2003 | 20.29 |
| 2002 | 20.31 |
| 2001 | 20.28 |
| 2000 | 20.24 |
| 1999 | 20.06 |