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Municipal profile

Coat of arms of Cossonay

Cossonay

Canton: Vaud (VD)

Civiora Index

Derived from official data

38/100

Below the median

National rank: 1’842 / 2’110

Taxes38/100
Premiums25/100
Electricity27/100
Housing19/100
PT service73/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude569 m
Area8.3 km²
Postcode1304
FSO no.5477
DistrictDistrict de Morges
Tax burden14.0 %Single, CHF 80’000 · 2026 more than SwitzerlandSwiss median: 13.1 %
Electricity price28.9 ct./kWhH4 · 2027 more than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums678 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population4’968+17.6 % over 5 years (2020–2025) more than SwitzerlandSwiss median: +4.4 %
Vacancy rate0.21 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops10No rail stop (bus/other)

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Cossonay pays 14.0% of their gross income in tax, or about CHF 11’230 a year. That is CHF 740 more than in the median Swiss municipality.

CossonaySwiss median
Single, CHF 80’000 approx. 11’230 CHF/year740 CHF/year more
14.0 %
13.1 %
Single, CHF 120’000 approx. 21’300 CHF/year600 CHF/year more
17.8 %
17.2 %
Married couple, CHF 120’000 approx. 15’520 CHF/year2’050 CHF/year more
12.9 %
11.2 %
Family, 2 children, CHF 150’000 approx. 17’400 CHF/year2’490 CHF/year more
11.6 %
9.9 %
Retiree, CHF 80’000 approx. 13’760 CHF/year780 CHF/year more
17.2 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Cossonay pays 28.89 ct. per kWh, or about CHF 1’300 a year. That is CHF 89 a year more than in the median Swiss municipality.

28.89 ct./kWh

more than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 13.01Grid (delivery to the meter) 10.18Levies and surcharge (public charges and levies) 5.70ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Cossonay pays a median CHF 678 a month for basic health insurance, or about CHF 8’130 a year (CHF 300 deductible, accident cover included). That is CHF 78 a month more than the Swiss median (CHF 599).

678 CHF/month

more than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 21 offers in premium region VD-2 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult522.30 CHF/monthapprox. 6’270 CHF/year
19–25 years363.20 CHF/monthapprox. 4’360 CHF/year
Child139.30 CHF/monthapprox. 1’670 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Cossonay has 4’968 inhabitants at the end of 2025, 17.6% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

4’968 inhabitants

Density: 600 inhab./km² · 2025

+1.5 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 21.6 %20–64 years 63.8 %65 and over 14.6 %

About 1 resident in 5 is under 20, and 1 in 7 is 65 or over. About 1 resident in 4 (26.3%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 0.21% of homes in Cossonay were vacant, about 1 in 476 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings501.06.2026
Housing stock (2024)2’359

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Cossonay has 10 public transport stops. On an ordinary Tuesday, 876 departures are scheduled across all stops, 110 of them after 8 pm.

Public transport stops10No rail stop (bus/other)
Departures on a typical Tuesday876of which evening (from 8 pm): 110 (13 %)
Departures on a typical Sunday53661 % of the typical Tuesday
Public transport stops / 1’0002.01Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Cossonay’s territory is 14.1% built-up, 62.5% farmland and 23.2% forest (survey 2004/2009).

Built-up 14.1 %Farmland 62.5 %Forest 23.2 %Other (water, rock…) 0.2 %
Jobs1’492reference year 2018
Establishments278reference year 2018
Social assistance rate3.1 %reference year 2019

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source