What is the postal code of Witterswil?

Witterswil has 2 postal codes: 4108, 4112.

What is the tax rate in Witterswil?

The municipal tax multiplier of Witterswil is 110% (2026); canton SO levies 104%.

How many residents does Witterswil have?

Witterswil has 1'467 residents (2023).

Which canton is Witterswil in?

Witterswil is located in canton SO.

Switzerland · Canton SO

Witterswil

4108–4112

SO CANTON4108 4112

Residents

1'467

Area

2.7 km²

Tax multiplier

110%

Postal codes

Demographics

BFS · 2023

Women

740 50.4%

Men

727 49.6%

Children & youth (0–19)

281 19.2%

Swiss citizens

1'215 81.0%

Foreign residents

285 19.0%

0–19 · 281 · 19.2%20–64 · 856 · 58.4%65+ · 330 · 22.5%

Foreign residents 19.0%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 63.6%54.7% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 64.3%48.1% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 59.8%50.8% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 59.6%27.6% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP26.9% · strongest party

SVP26.9%

Mitte19.1%

SP18.0%

FDP12.5%

GRÜNE10.7%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier110%

Cantonal tax multiplier104%

110%CH range 25%525%

Tax rank 17 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Basel / Binningen · 7.1 km

Annual mean temperature 202511.8 °C

Precipitation 2025930 mm

11.8 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websitewitterswil.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Witterswil?: Witterswil has 2 postal codes: 4108, 4112.
What is the tax rate in Witterswil?: The municipal tax multiplier of Witterswil is 110% (2026); canton SO levies 104%.
How many residents does Witterswil have?: Witterswil has 1'467 residents (2023).
Which canton is Witterswil in?: Witterswil is located in canton SO.

Map

OpenStreetMap