| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2022 | — |
| 2021 | 18.4 |
| 2021 | 18.4 |
| 2020 | 18.648 |
| 2019 | 18.654 |
| 2018 | 18.692 |
| 2017 | 21 |
| 2016 | 21 |
| 2015 | 21 |
| 2014 | 21 |
| 2013 | 21 |
| 2012 | 21 |
| 2011 | 21 |
| 2010 | 19 |
| 2009 | 20.2 |
| 2008 | 17.7 |
| 2007 | 17.3 |
| 2006 | 17.1 |
| 2005 | 17.05 |
| 2004 | 16.95 |
| 2003 | 17.6 |
| 2002 | 17.09 |
| 2001 | 17.03 |
| 2000 | 17.03 |
| 1999 | 16.92 |