| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 21.6 |
| 2020 | 21.459 |
| 2019 | 21.43 |
| 2018 | 21.4 |
| 2017 | 30.59 |
| 2016 | 21.07 |
| 2015 | 20.92 |
| 2014 | 21 |
| 2013 | 20 |
| 2012 | 20 |
| 2011 | 14 |
| 2010 | 14 |
| 2009 | 14.2 |
| 2008 | 14.2 |
| 2007 | 14 |
| 2006 | 13.8 |
| 2005 | 13.7 |
| 2004 | 14 |
| 2003 | 13.7 |
| 2002 | 13.7 |
| 2001 | 13.67 |
| 2000 | 13.83 |
| 1999 | — |