Bevölkerungsentwicklung – Gornau/Erzgeb.
Jährliche Komponenten
| Jahr | Bevölkerung | Geburten | Sterbefälle | Natürlicher Saldo | Wanderungssaldo |
|---|---|---|---|---|---|
| 2025 | 3.659 | – | 78 | – | – |
| 2024 | 3.686 | 16 | 76 | -60 | 36 |
| 2023 | 3.710 | 27 | 85 | -58 | 46 |
| 2022 | 3.721 | 22 | 66 | -44 | 47 |
| 2021 | 3.747 | 33 | 78 | -45 | 42 |
| 2020 | 3.749 | 27 | 80 | -53 | 35 |
| 2019 | 3.767 | 33 | 77 | -44 | -6 |
| 2018 | 3.817 | 34 | 65 | -31 | 14 |
| 2017 | 3.834 | 36 | 73 | -37 | 61 |
| 2016 | 3.810 | 32 | 67 | -35 | 12 |
| 2015 | 3.835 | 35 | 66 | -31 | 107 |
| 2014 | 3.759 | 32 | 79 | -47 | 51 |
| 2013 | 3.755 | 21 | 66 | -45 | 24 |
| 2012 | 3.775 | 39 | 56 | -17 | -9 |
| 2011 | 3.803 | 34 | 48 | -14 | 12 |
| 2010 | 3.893 | 33 | 54 | -21 | -28 |
| 2009 | 3.942 | 28 | 45 | -17 | -11 |
| 2008 | 3.970 | 35 | 30 | 5 | -15 |