Bevölkerungsentwicklung – Wellendingen
Jährliche Komponenten
| Jahr | Bevölkerung | Geburten | Sterbefälle | Natürlicher Saldo | Wanderungssaldo |
|---|---|---|---|---|---|
| 2025 | 3.426 | – | 36 | – | – |
| 2024 | 3.317 | 24 | 42 | -18 | 37 |
| 2023 | 3.298 | 34 | 44 | -10 | -2 |
| 2022 | 3.310 | 41 | 35 | 6 | 66 |
| 2021 | 3.314 | 31 | 53 | -22 | 25 |
| 2020 | 3.311 | 35 | 47 | -12 | 54 |
| 2019 | 3.269 | 37 | 31 | 6 | 61 |
| 2018 | 3.202 | 30 | 40 | -10 | 47 |
| 2017 | 3.164 | 34 | 33 | 1 | 43 |
| 2016 | 3.120 | 29 | 36 | -7 | 47 |
| 2015 | 3.080 | 35 | 36 | -1 | 50 |
| 2014 | 3.031 | 22 | 41 | -19 | 51 |
| 2013 | 2.999 | 17 | 33 | -16 | -12 |
| 2012 | 3.026 | 27 | 25 | 2 | 9 |
| 2011 | 3.012 | 34 | 24 | 10 | -26 |
| 2010 | 3.103 | 23 | 15 | 8 | -31 |
| 2009 | 3.126 | 32 | 21 | 11 | -17 |
| 2008 | 3.132 | 46 | 25 | 21 | -3 |