Switzerland · Canton VD
Cossonay
1304VD CANTON1304
Residents
4'761
Area
8.3 km²
Elevation
562 m a.s.l.
Tax multiplier
66%
Postal codes
1
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 56.0%46.4% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 56.0%35.9% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 59.0%67.5% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 59.0%36.1% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SP29.1% · strongest party
SP29.1%
FDP22.2%
SVP16.3%
GRÜNE13.5%
GLP8.0%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier66%
Cantonal tax multiplier155%
66%CH range 25%525%
Tax rank 88 of 300 in canton VaudSource: ESTV · retrieved 20.07.2026
Climate
Mathod · 14.4 kmAnnual mean temperature 202511 °C
Precipitation 2025893 mm
11 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Head of governmentGeorges Rime
Websitecossonay.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (1)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Cossonay?
- The postal code of Cossonay is 1304.
- What is the tax rate in Cossonay?
- The municipal tax multiplier of Cossonay is 66% (2026); canton VD levies 155%.
- How many residents does Cossonay have?
- Cossonay has 4'761 residents.
- How many foreign residents live in Cossonay?
- Cossonay has 1'274 foreign residents, a share of 26.04% (2024).
- Which party is strongest in Cossonay?
- In the 2023 National Council election, SP was the strongest party in Cossonay with 29.095% of the vote.