What is the postal code of Balsthal?

Balsthal has 2 postal codes: 4710, 4717.

What is the tax rate in Balsthal?

The municipal tax multiplier of Balsthal is 125% (2026); canton SO levies 104%.

How many residents does Balsthal have?

Balsthal has 6'501 residents (2023).

Which canton is Balsthal in?

Balsthal is located in canton SO.

Switzerland · Canton SO

Balsthal

4710–4717

SO CANTON4710 4717

Residents

6'501

Area

15.7 km²

Tax multiplier

125%

Postal codes

Demographics

BFS · 2023

Women

3'129 48.1%

Men

3'372 51.9%

Children & youth (0–19)

1'400 21.5%

Swiss citizens

4'154 63.3%

Foreign residents

2'406 36.7%

0–19 · 1'400 · 21.5%20–64 · 3'824 · 58.8%65+ · 1'277 · 19.6%

Foreign residents 36.7%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 58.5%60.3% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 59.3%60.8% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 53.9%47.4% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 53.9%17.8% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP35.8% · strongest party

SVP35.8%

Mitte28.2%

FDP13.6%

SP10.6%

GRÜNE5.4%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier125%

Cantonal tax multiplier104%

125%CH range 25%525%

Tax rank 73 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Wynau · 9.9 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

Websitebalsthal.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Balsthal?: Balsthal has 2 postal codes: 4710, 4717.
What is the tax rate in Balsthal?: The municipal tax multiplier of Balsthal is 125% (2026); canton SO levies 104%.
How many residents does Balsthal have?: Balsthal has 6'501 residents (2023).
Which canton is Balsthal in?: Balsthal is located in canton SO.

Map

OpenStreetMap