Bevölkerungsentwicklung – Siek
Bevölkerung (Jahresende)
Jährliche Komponenten
| Jahr | Bevölkerung | Geburten | Sterbefälle | Natürlicher Saldo | Wanderungssaldo |
| 2024 |
2.436 |
– |
– |
– |
-15 |
| 2023 |
2.459 |
– |
– |
– |
10 |
| 2022 |
2.443 |
– |
– |
– |
-5 |
| 2021 |
2.505 |
– |
– |
– |
73 |
| 2020 |
2.438 |
– |
– |
– |
-26 |
| 2019 |
2.457 |
– |
– |
– |
12 |
| 2018 |
2.441 |
– |
– |
– |
38 |
| 2017 |
2.393 |
18 |
22 |
-4 |
1 |
| 2016 |
2.395 |
26 |
17 |
9 |
63 |
| 2015 |
2.323 |
20 |
13 |
7 |
-16 |
| 2014 |
2.331 |
21 |
15 |
6 |
38 |
| 2013 |
2.286 |
15 |
11 |
4 |
73 |
| 2012 |
2.207 |
16 |
20 |
-4 |
9 |
| 2011 |
2.204 |
14 |
8 |
6 |
-6 |
| 2010 |
2.063 |
15 |
18 |
-3 |
34 |
| 2009 |
2.032 |
14 |
10 |
4 |
-9 |
| 2008 |
2.037 |
18 |
15 |
3 |
47 |