| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | 20.72 |
| 2018 | 20.82 |
| 2017 | 20.9 |
| 2016 | 20.72 |
| 2015 | 20.72 |
| 2014 | 20.32 |
| 2013 | 20.31 |
| 2012 | 21.03 |
| 2011 | — |
| 2010 | 20.61 |
| 2009 | — |
| 2008 | — |
| 2007 | — |
| 2006 | — |
| 2005 | — |
| 2004 | 19.37 |
| 2003 | 19.36 |
| 2002 | 18.53 |
| 2001 | 18.4 |
| 2000 | 18.26 |
| 1999 | — |