Demographics
BFS · 2023Women
3'337 50.1%
Men
3'330 49.9%
Children & youth (0–19)
1'367 20.5%
Swiss citizens
3'837 56.0%
Foreign residents
3'017 44.0%
0–19 · 1'367 · 20.5%20–64 · 4'044 · 60.7%65+ · 1'256 · 18.8%
Foreign residents 44.0%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 50.3%46.5% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 50.9%46.9% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 44.4%54.5% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 44.0%32.7% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SP26.4% · strongest party
SP26.4%
SVP26.0%
Mitte16.5%
GRÜNE12.5%
FDP9.5%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier140%
Cantonal tax multiplier104%
140%CH range 25%525%
Tax rank 103 of 104 in canton SolothurnSource: ESTV · retrieved 20.07.2026
Climate
Gösgen · 5.7 kmAnnual mean temperature 202510.9 °C
Precipitation 20251'008 mm
10.9 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitetrimbach.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (3)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Trimbach?
- Trimbach has 3 postal codes: 4600, 4632, 4634.
- What is the tax rate in Trimbach?
- The municipal tax multiplier of Trimbach is 140% (2026); canton SO levies 104%.
- How many residents does Trimbach have?
- Trimbach has 6'667 residents (2023).
- Which canton is Trimbach in?
- Trimbach is located in canton SO.