What is the postal code of Oensingen?

Oensingen has 2 postal codes: 4702, 4710.

What is the tax rate in Oensingen?

The municipal tax multiplier of Oensingen is 116% (2026); canton SO levies 104%.

How many residents does Oensingen have?

Oensingen has 6'636 residents (2023).

Which canton is Oensingen in?

Oensingen is located in canton SO.

Switzerland · Canton SO

Oensingen

4702–4710

SO CANTON4702 4710

Residents

6'636

Area

12.1 km²

Tax multiplier

116%

Postal codes

Demographics

BFS · 2023

Women

3'223 48.6%

Men

3'413 51.4%

Children & youth (0–19)

1'419 21.4%

Swiss citizens

4'067 59.7%

Foreign residents

2'750 40.3%

0–19 · 1'419 · 21.4%20–64 · 4'114 · 62.0%65+ · 1'103 · 16.6%

Foreign residents 40.3%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 54.0%60.5% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 54.5%62.4% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 49.5%50.7% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 49.3%19.7% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP34.1% · strongest party

SVP34.1%

Mitte26.0%

FDP14.6%

SP12.9%

GRÜNE5.6%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier116%

Cantonal tax multiplier104%

116%CH range 25%525%

Tax rank 36 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Wynau · 7.4 km

Annual mean temperature 202510.5 °C

Precipitation 20251'082 mm

10.5 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websiteoensingen.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Oensingen?: Oensingen has 2 postal codes: 4702, 4710.
What is the tax rate in Oensingen?: The municipal tax multiplier of Oensingen is 116% (2026); canton SO levies 104%.
How many residents does Oensingen have?: Oensingen has 6'636 residents (2023).
Which canton is Oensingen in?: Oensingen is located in canton SO.

Map

OpenStreetMap