| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 21.8 |
| 2020 | 21.786 |
| 2019 | 21.768 |
| 2018 | 22.04 |
| 2017 | 21.8 |
| 2016 | 21.68 |
| 2015 | 21.6 |
| 2014 | 21.56 |
| 2013 | 21.49 |
| 2012 | 21.5 |
| 2011 | 21.37 |
| 2010 | 21.32 |
| 2009 | 21 |
| 2008 | 21.36 |
| 2007 | 21.21 |
| 2006 | 20 |
| 2005 | 20.9 |
| 2004 | 19.6 |
| 2003 | 19.1 |
| 2002 | 18.9 |
| 2001 | 18.8 |
| 2000 | 18.7 |
| 1999 | 18.62 |