| 年份 | 年末常住人口 （万人） | 平均常住人口 （万人） | 年末人口 （万人） | 城镇化率 % | 城镇人口（万人） | 农村人口（万人） |
| 2000 | 30.33 | 31.26 | 17.32 | 5.25 | 25.08 | |
| 2001 | 29.99 | 30.16 | 31.39 | 18.15 | 5.44 | 24.55 |
| 2002 | 29.64 | 29.815 | 31.42 | 20.5 | 6.08 | 23.56 |
| 2003 | 29.75 | 29.695 | 31.1 | 24.18 | 7.19 | 22.56 |
| 2004 | 29.25 | 29.5 | 31.36 | 26.41 | 7.72 | 21.53 |
| 2005 | 29.54 | 29.395 | 31.51 | 29.06 | 8.58 | 20.96 |
| 2006 | 29.61 | 29.575 | 31.7 | 31.12 | 9.21 | 20.4 |
| 2007 | 29.86 | 29.735 | 31.88 | 31.49 | 9.4 | 20.46 |
| 2008 | 30.03 | 29.945 | 32.02 | 31.51 | 9.46 | 20.57 |
| 2009 | 30.08 | 30.055 | 32.17 | 31.73 | 9.54 | 20.54 |
| 2010 | 33.85 | 31.965 | 37.47 | 30.04 | 10.17 | 23.68 |
| 2011 | 34.02 | 33.935 | 37.74 | 31.55 | 10.73 | 23.29 |
| 2012 | 34.28 | 34.15 | 38.02 | 33.63 | 11.53 | 22.75 |
| 2013 | 37.33 | 35.805 | 38.85 | 36.12 | 13.48 | 23.85 |
| 2014 | 39.01 | 38.17 | 39.45 | 37.86 | 14.77 | 23.85 |
| 2015 | 39.99 | 39.5 | 39.46 | 40.56 | 16.22 | 23.77 |
| 2016 | 34.62 | 37.305 | 44.66 | 15.46 | 19.16 | |
| 2017 | 34.65 | 34.635 | 47.16 | 16.34 | 18.31 | |
| 2018 | 34.68 | 34.665 | 48.70 | 16.89 | 17.79 | |
| 2019 | 34.85 | 34.765 | 50.10 | 17.46 | 17.39 |