What is the postal code of Ziefen?

The postal code of Ziefen is 4417.

What is the tax rate in Ziefen?

The municipal tax multiplier of Ziefen is 59% (2026); canton BL levies 100%.

How many residents does Ziefen have?

Ziefen has 1'668 residents (2023).

Which canton is Ziefen in?

Ziefen is located in canton BL.

Switzerland · Canton BL

Ziefen

4417

BL CANTON4417

Residents

1'668

Area

7.8 km²

Tax multiplier

59%

Postal codes

Demographics

BFS · 2023

Women

841 50.4%

Men

827 49.6%

Children & youth (0–19)

397 23.8%

Swiss citizens

1'505 88.1%

Foreign residents

203 11.9%

0–19 · 397 · 23.8%20–64 · 922 · 55.3%65+ · 349 · 20.9%

Foreign residents 11.9%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 67.0%47.3% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 68.2%42.7% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 63.1%41.9% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 62.2%30.1% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SP31.0% · strongest party

SP31.0%

SVP27.6%

GRÜNE13.0%

FDP8.5%

GLP6.3%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier59%

Cantonal tax multiplier100%

59%CH range 25%525%

Tax rank 33 of 86 in canton Basel-Landschaft

Source: ESTV · retrieved 20.07.2026

Climate

Rünenberg · 13 km

Annual mean temperature 202510.6 °C

Precipitation 20251'038 mm

10.6 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websiteziefen.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (1)

swisstopo

4417

Ziefen

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Ziefen?: The postal code of Ziefen is 4417.
What is the tax rate in Ziefen?: The municipal tax multiplier of Ziefen is 59% (2026); canton BL levies 100%.
How many residents does Ziefen have?: Ziefen has 1'668 residents (2023).
Which canton is Ziefen in?: Ziefen is located in canton BL.

Map

OpenStreetMap