About Cossonay
Cossonay is a municipality in the canton of Vaud in Switzerland. It is part of the district of Morges.
- Canton
- Vaud
- Area
- 8.3 km²
Population
4'893residents
Median taxable income
CHF 64'936
Vacancy
0.38%
Foreign residents
26.0%
Dwellings
2'368
Jobs (FTE)
1'492
Tax multiplier
66%
Land use across the commune
Every 100 × 100 m of Cossonay, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Jobs & economy
1'492 full-time-equivalent jobs across 278 businesses — services make up 82% of employment, industry 15% (2018).
Source BFS STATENT
1'492FTE total
Primary3.1%
Secondary14.9%
Tertiary82.0%
Land use
18% built-up, 58% agricultural, 24% forest. Measured across 824 hectares (2025).
Source BFS Arealstatistik
Settlement17.7%
Agriculture58.2%
Forest24.1%
Water0.0%
Election Results
SP led the 2023 National Council election with 29.1%, ahead of FDP at 22.2%.
Source BFS
SP29.1%+3.0 pp
FDP22.2%+2.0 pp
SVP16.3%+0.8 pp
Grüne13.5%−4.4 pp
GLP8.0%+0.3 pp
Mitte4.4%
PdA2.0%±0 pp
Others
2.9%
2023 vs 2019
Primary / second-home mix
94.7% of dwellings are primary residences; 5.3% are second homes (2026).
Source BFS
Primary residences94.7%
Second homes5.3%
Climate data
Annual mean 11.3°C with 1'132 mm of rain. Warmest in July (20.5°C), coldest in January (2.7°C). Station: Pully, 456 m.
Source MeteoSchweiz
11.3°C
Annual mean
Mean 11.3°C
Rain 1132 mm
Sun ≈157 days
Pully · 456 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Payerne has risen by +1.8°C between the first 30 observed years (1965–1984) and the most recent (2006–2025).
Source MeteoSchweiz NBCN
+1.8°C
mean 2006–2025 vs. 1965–1984
Payerne · 490 m.a.s.l. · 1965–2025
