| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 19.4 |
| 2020 | 19.49 |
| 2019 | 19.54 |
| 2018 | 19.51 |
| 2017 | 19.5 |
| 2016 | 19.53 |
| 2015 | 19.47 |
| 2014 | 19.44 |
| 2013 | 19.47 |
| 2012 | 19.85 |
| 2011 | 20.29 |
| 2010 | 20.28 |
| 2009 | 19.94 |
| 2008 | 19.56 |
| 2007 | 19.1 |
| 2006 | 18.81 |
| 2005 | 18.57 |
| 2004 | 18.49 |
| 2003 | 18.16 |
| 2002 | 18.04 |
| 2001 | 17.93 |
| 2000 | 17.74 |
| 1999 | 17.64 |