Population
4'968↑1.5%
About Cossonay
Municipality · Vaud
Cossonay is a municipality in the canton of Vaud in Switzerland. It is part of the district of Morges.
Population
4'968
Tax multiplier
66%
Cossonay in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.66%
Below average in canton
Median taxable income
CHF 49'600↑2.3%
Middle in canton
Median net income
CHF 54'800↑2.2%
75%
Cantonal tax multiplier
155%
0.38%↓57.8%
Below average in canton
- Agriculture58%
- Forest24%
- Settlement18%
- Other1%
Foreign residents
26.3%↑1.0%
Above average in canton
Median rent
CHF 21/ m²
+17% vs CH
Dwellings
2'368↑1.5%
Jobs (FTE)
1'428↑4.2%
95%
13%
Fibre
Housing market in Cossonay
The rental vacancy rate is 0.38%, 59% below the cantonal average (0.92 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 66%, 5% below the cantonal average (69 %) — tax-favourable. Median taxable income is CHF 59'850, 3% below the Swiss median (CHF 61'929). Cossonay has 4'968 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
