| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 18.9 |
| 2020 | 18.974 |
| 2019 | 25.858 |
| 2018 | 26.03 |
| 2017 | 25.65 |
| 2016 | 25.84 |
| 2015 | 25.8 |
| 2014 | 27.18 |
| 2013 | 27.13 |
| 2012 | 26.56 |
| 2011 | 26.69 |
| 2010 | 26 |
| 2009 | 26.1 |
| 2008 | 26.26 |
| 2007 | 25.96 |
| 2006 | 25.43 |
| 2005 | 25.12 |
| 2004 | 24.56 |
| 2003 | 23.77 |
| 2002 | 22.76 |
| 2001 | 22.15 |
| 2000 | 22.05 |
| 1999 | 21.3 |