Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 54.8%59.0% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 56.1%63.4% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 50.0%59.0% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 50.1%22.6% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP34.1% · strongest party
SVP34.1%
SP18.8%
FDP18.6%
Mitte12.6%
GRÜNE7.8%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier125%
Cantonal tax multiplier104%
125%CH range 25%525%
Tax rank 79 of 104 in canton SolothurnSource: ESTV · retrieved 20.07.2026
Climate
Koppigen · 12.6 kmAnnual mean temperature 202510.2 °C
Precipitation 2025894 mm
10.2 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websiteflumenthal.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Flumenthal?
- Flumenthal has 2 postal codes: 4534, 4543.
- What is the tax rate in Flumenthal?
- The municipal tax multiplier of Flumenthal is 125% (2026); canton SO levies 104%.
- How many residents does Flumenthal have?
- Flumenthal has 1'043 residents.
- How many foreign residents live in Flumenthal?
- Flumenthal has 173 foreign residents, a share of 16.44% (2024).
- Which party is strongest in Flumenthal?
- In the 2023 National Council election, SVP was the strongest party in Flumenthal with 34.078% of the vote.