What is the postal code of Bellach?

Bellach has 2 postal codes: 4500, 4512.

What is the tax rate in Bellach?

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

How many residents does Bellach have?

Bellach has 5'453 residents (2023).

Which canton is Bellach in?

Bellach is located in canton SO.

Switzerland · Canton SO

Bellach

4500–4512

SO CANTON4500 4512

Residents

5'453

Area

5.3 km²

Tax multiplier

125%

Postal codes

Demographics

BFS · 2023

Women

2'747 50.4%

Men

2'706 49.6%

Children & youth (0–19)

1'050 19.3%

Swiss citizens

3'809 68.6%

Foreign residents

1'747 31.4%

0–19 · 1'050 · 19.3%20–64 · 3'087 · 56.6%65+ · 1'316 · 24.1%

Foreign residents 31.4%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 57.1%57.8% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 57.5%52.5% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 52.2%54.6% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 51.8%21.9% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP30.1% · strongest party

SVP30.1%

FDP22.2%

SP18.1%

Mitte15.2%

GRÜNE7.2%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier125%

Cantonal tax multiplier104%

125%CH range 25%525%

Tax rank 76 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Grenchen · 7.4 km

Annual mean temperature 202510.5 °C

Precipitation 20251'101 mm

10.5 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websitebellach.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Lüsslingen-Nennigkofen

Frequently asked questions

What is the postal code of Bellach?: Bellach has 2 postal codes: 4500, 4512.
What is the tax rate in Bellach?: The municipal tax multiplier of Bellach is 125% (2026); canton SO levies 104%.
How many residents does Bellach have?: Bellach has 5'453 residents (2023).
Which canton is Bellach in?: Bellach is located in canton SO.

Map

OpenStreetMap