Switzerland · Canton BL
Birsfelden
4127BL CANTON4127
Residents
10'338
Area
2.5 km²
Elevation
261 m a.s.l.
Tax multiplier
62%
Postal codes
1
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 54.2%45.9% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 55.1%43.3% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 45.7%54.3% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 45.4%35.5% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SP36.7% · strongest party
SP36.7%
SVP23.5%
GRÜNE9.4%
Mitte8.8%
FDP8.7%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier62%
Cantonal tax multiplier100%
62%CH range 25%525%
Tax rank 60 of 86 in canton Basel-LandschaftSource: ESTV · retrieved 20.07.2026
Climate
Basel / Binningen · 3.5 kmAnnual mean temperature 202511.8 °C
Precipitation 2025930 mm
11.8 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitebirsfelden.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Birsfelden?
- The postal code of Birsfelden is 4127.
- What is the tax rate in Birsfelden?
- The municipal tax multiplier of Birsfelden is 62% (2026); canton BL levies 100%.
- How many residents does Birsfelden have?
- Birsfelden has 10'338 residents.
- How many foreign residents live in Birsfelden?
- Birsfelden has 3'554 foreign residents, a share of 34.03% (2024).
- Which party is strongest in Birsfelden?
- In the 2023 National Council election, SP was the strongest party in Birsfelden with 36.661% of the vote.