| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 19.04 |
| 2020 | 19.2 |
| 2019 | 19.2 |
| 2018 | 19.18 |
| 2017 | 18.88 |
| 2016 | 18.97 |
| 2015 | 18.87 |
| 2014 | 18.64 |
| 2013 | 18.65 |
| 2012 | 18.59 |
| 2011 | 18.61 |
| 2010 | 18.33 |
| 2009 | 18.24 |
| 2008 | 17.9 |
| 2007 | 18 |
| 2006 | 18 |
| 2005 | 17.7 |
| 2004 | 17.8 |
| 2003 | 19.2 |
| 2002 | 19 |
| 2001 | 18.6 |
| 2000 | 17.42 |
| 1999 | — |