Switzerland · Canton BL
Sissach
4450BL CANTON4450
Residents
6'851
Area
8.9 km²
Tax multiplier
57%
Postal codes
1
Demographics
BFS · 2023Women
3'486 50.9%
Men
3'365 49.1%
Children & youth (0–19)
1'315 19.2%
Swiss citizens
5'632 81.7%
Foreign residents
1'262 18.3%
0–19 · 1'315 · 19.2%20–64 · 4'041 · 59.0%65+ · 1'495 · 21.8%
Foreign residents 18.3%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 63.2%51.9% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 63.7%41.1% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 58.9%56.9% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 58.8%32.0% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP26.4% · strongest party
SVP26.4%
SP24.2%
FDP17.3%
GRÜNE14.3%
GLP7.2%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier57%
Cantonal tax multiplier100%
57%CH range 25%525%
Tax rank 23 of 86 in canton Basel-LandschaftSource: ESTV · retrieved 20.07.2026
Climate
Rünenberg · 6.3 kmAnnual mean temperature 202510.6 °C
Precipitation 20251'038 mm
10.6 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitesissach.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (1)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Sissach?
- The postal code of Sissach is 4450.
- What is the tax rate in Sissach?
- The municipal tax multiplier of Sissach is 57% (2026); canton BL levies 100%.
- How many residents does Sissach have?
- Sissach has 6'851 residents (2023).
- Which canton is Sissach in?
- Sissach is located in canton BL.