| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 18.5 |
| 2020 | — |
| 2019 | 19.618 |
| 2018 | 23.12 |
| 2017 | 23.35 |
| 2016 | 23.28 |
| 2015 | 23.15 |
| 2014 | 23.49 |
| 2013 | 23.42 |
| 2012 | 23.28 |
| 2011 | 23.48 |
| 2010 | 20 |
| 2009 | 23.28 |
| 2008 | 23.1 |
| 2007 | 23 |
| 2006 | 22.87 |
| 2005 | 22.78 |
| 2004 | 22.63 |
| 2003 | 22.28 |
| 2002 | 21.93 |
| 2001 | 21.8 |
| 2000 | 21.75 |
| 1999 | 21.47 |