What is the postal code of Riehen?

Riehen has 2 postal codes: 4058, 4125.

What is the tax rate in Riehen?

The municipal tax multiplier of Riehen is 40% (2026); canton BS levies 50%.

How many residents does Riehen have?

Riehen has 22'408 residents (2023).

Which canton is Riehen in?

Riehen is located in canton BS.

Switzerland · Canton BS

Riehen

4058–4125

BS CANTON4058 4125

Residents

22'408

Area

10.9 km²

Tax multiplier

40%

Postal codes

Demographics

BFS · 2023

Women

11'778 52.6%

Men

10'630 47.4%

Children & youth (0–19)

4'876 21.8%

Swiss citizens

15'917 70.6%

Foreign residents

6'617 29.4%

0–19 · 4'876 · 21.8%20–64 · 11'846 · 52.9%65+ · 5'686 · 25.4%

Foreign residents 29.4%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 69.2%48.5% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 69.2%34.3% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 63.5%57.1% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 63.5%29.7% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SP22.6% · strongest party

SP22.6%

SVP19.7%

LPS13.7%

FDP10.0%

GLP10.0%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier40%

Cantonal tax multiplier50%

40%CH range 25%525%

Tax rank 2 of 3 in canton Basel-City

Source: ESTV · retrieved 20.07.2026

Climate

Basel / Binningen · 5.4 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

Head of governmentWilli Fischer

Websiteriehen.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Riehen?: Riehen has 2 postal codes: 4058, 4125.
What is the tax rate in Riehen?: The municipal tax multiplier of Riehen is 40% (2026); canton BS levies 50%.
How many residents does Riehen have?: Riehen has 22'408 residents (2023).
Which canton is Riehen in?: Riehen is located in canton BS.

Map

OpenStreetMap