What is the postal code of Grellingen?

The postal code of Grellingen is 4203.

What is the tax rate in Grellingen?

The municipal tax multiplier of Grellingen is 62% (2026); canton BL levies 100%.

How many residents does Grellingen have?

Grellingen has 1'954 residents (2023).

Which canton is Grellingen in?

Grellingen is located in canton BL.

Switzerland · Canton BL

Grellingen

4203

BL CANTON4203

Residents

1'954

Area

3.3 km²

Tax multiplier

62%

Postal codes

Demographics

BFS · 2023

Women

967 49.5%

Men

987 50.5%

Children & youth (0–19)

347 17.8%

Swiss citizens

1'359 69.4%

Foreign residents

599 30.6%

0–19 · 347 · 17.8%20–64 · 1'248 · 63.9%65+ · 359 · 18.4%

Foreign residents 30.6%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 50.7%54.2% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 51.3%53.0% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 50.1%46.2% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 49.1%21.5% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP37.8% · strongest party

SVP37.8%

Mitte19.6%

SP19.5%

FDP9.1%

GRÜNE7.2%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier62%

Cantonal tax multiplier100%

62%CH range 25%525%

Tax rank 58 of 86 in canton Basel-Landschaft

Source: ESTV · retrieved 20.07.2026

Climate

Basel / Binningen · 11.1 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

Websitegrellingen.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (1)

swisstopo

4203

Grellingen

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Grellingen?: The postal code of Grellingen is 4203.
What is the tax rate in Grellingen?: The municipal tax multiplier of Grellingen is 62% (2026); canton BL levies 100%.
How many residents does Grellingen have?: Grellingen has 1'954 residents (2023).
Which canton is Grellingen in?: Grellingen is located in canton BL.

Map

OpenStreetMap