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 (2023).

Which canton is Flumenthal in?

Flumenthal is located in canton SO.

Switzerland · Canton SO

Flumenthal

4534–4543

SO CANTON4534 4543

Residents

1'043

Area

3.1 km²

Tax multiplier

125%

Postal codes

Demographics

BFS · 2023

Women

528 50.6%

Men

515 49.4%

Children & youth (0–19)

170 16.3%

Swiss citizens

879 83.6%

Foreign residents

173 16.4%

0–19 · 170 · 16.3%20–64 · 660 · 63.3%65+ · 213 · 20.4%

Foreign residents 16.4%0%61.6%

Source: BFS/OFS · retrieved 24.07.2026

Recent federal votes

BFS · sd-t-17-02

14.06.2026Änderung 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 2023

SVP34.1% · strongest party

SVP34.1%

SP18.8%

FDP18.6%

Mitte12.6%

GRÜNE7.8%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier125%

Cantonal tax multiplier104%

125%CH range 25%525%

Tax rank 79 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Koppigen · 12.6 km

Annual mean temperature 202510.2 °C

Precipitation 2025894 mm

10.2 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websiteflumenthal.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently 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 (2023).
Which canton is Flumenthal in?: Flumenthal is located in canton SO.

Map

OpenStreetMap