| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | — |
| 2018 | — |
| 2017 | — |
| 2016 | 7.29 |
| 2015 | 20.33 |
| 2014 | 17.37 |
| 2013 | 20.5 |
| 2012 | 21 |
| 2011 | 21.4 |
| 2010 | 21.4 |
| 2009 | 21.2 |
| 2008 | 21.5 |
| 2007 | 23.4 |
| 2006 | 22 |
| 2005 | 22.2 |
| 2004 | 22.4 |
| 2003 | 22.5 |
| 2002 | 22.6 |
| 2001 | 22.79 |
| 2000 | 23.275 |
| 1999 | — |