Söğüt Nüfusu
| YIL | MERKEZ | KÖYLER | TOPLAM |
| 2007 | 15.761 | 7.425 | 23.186 |
| 2008 | 12.755 | 6.522 | 19.277 |
| 2009 | 15.007 | 6.463 | 21.470 |
| 2010 | 19.425 | 6.254 | 25.679 |
| 2011 | 14.124 | 6.156 | 20.280 |
| 2012 | 13.891 | 5.951 | 19.842 |
| 2013 | 14.216 | 5.722 | 19.938 |
| 2014 | 14.124 | 5.661 | 19.785 |
| 2015 | 14.034 | 5.514 | 19.548 |
| 2016 | 13.920 | 5.365 | 19.285 |
| 2017 | 14.478 | 5.230 | 19.708 |
| 2018 | 13.930 | 5.314 | 19.244 |
| 2019 | 13.142 | 5.025 | 18.167 |
| 2020 | 13.012 | 4.912 | 17.924 |
| 2021 | 13.566 | 4.786 | 18.352 |
| 2022 | 14.071 | 4.622 | 18.693 |
