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 much tax do you pay in Cossonay?

A single person without children pays about 15'889 CHF income tax in Cossonay on 100'000 CHF gross income (federal, cantonal, municipal), rank 87 of 300 in canton VD. Source: ESTV (2026).

How many residents does Cossonay have?

Cossonay has 4'968 residents (2025).

How many foreign residents live in Cossonay?

Cossonay has 1'306 foreign residents, a share of 26.29% (2025).

Switzerland · Canton VD · District de Morges

Cossonay

1304

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Demographics

BFS · 2025

Women

2'533 51.0%

Men

2'435 49.0%

Children & youth (0–19)

1'075 21.6%

Swiss citizens

3'662 73.7%

Foreign residents

1'306 26.3%

Population density

600 pop./km²

0–19 · 1'075 · 21.6%20–64 · 3'169 · 63.8%65+ · 724 · 14.6%

Foreign residents 26.3%0%64.0%

Population change 2025: +75 (+1.5%) · 47 births · 14 deaths · net migration +45

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026

Vote results for Cossonay

BFS

27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict District de Morges: 22.8% Yes

23.4% YesNo 76.6%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District de Morges: 25.7% Yes

23.6% YesNo 76.4%

27.09.2026Initiative populaire « Baisse d’impôts pour tous — Redonner du pouvoir d’achat à la classe moyenne »Cantonal VD● Accepted · 53.9% YesDistrict District de Morges: 54.3% Yes

48.7% YesNo 51.3%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District de Morges: 47.9% Yes

46.4% YesNo 53.6%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District de Morges: 35.6% Yes

35.9% YesNo 64.2%

14.06.2026Question subsidiaireCantonal VD● Rejected · 47.3% YesDistrict District de Morges: 39.0% Yes

43.2% YesNo 56.8%

14.06.2026Contre-projet législatif « Loi sur le salaire minimum »Cantonal VD● Rejected · 49.7% YesDistrict District de Morges: 49.2% Yes

45.2% YesNo 54.9%

14.06.2026Initiative populaire législative « Pour le droit de vivre dignement de son travail – pour un salaire minimum cantonal »Cantonal VD● Rejected · 49.3% YesDistrict District de Morges: 42.3% Yes

45.9% YesNo 54.1%

14.06.2026Initiative populaire constitutionnelle « Pour le droit de vivre dignement de son travail – pour un salaire minimum cantonal »Cantonal VD● Accepted · 51.7% YesDistrict District de Morges: 44.7% Yes

48.8% YesNo 51.2%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District de Morges: 67.4% Yes

67.5% YesNo 32.5%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023

SP29.1% · strongest party

SP29.1%

FDP22.2%

SVP16.3%

GRÜNE13.5%

GLP8.0%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026

Taxes 2026

ESTV

Municipal tax multiplier66%

Cantonal tax multiplier155%

66%VD range 46%83%

Tax rank 88 of 300 in canton Vaud

Tax burden

Single, 100'000 CHF gross income

15'889 CHF(15.9%)

Rank 87 of 300 in the canton · 1215 of 2110 in Switzerland

Median canton 16'155 CHF · median Switzerland 15'290 CHF

Cheapest Eclépens 14'558 CHF · most expensive La Praz 17'020 CHF

Income tax as % of gross income

100'000 CHF:15'889 CHF(~15.9%)

CossonayCanton range VaudSwitzerland median

Show data table

Gross income	Cossonay	Vaud	Switzerland median
40'000	4%	3.7–4.3%	5.4%
50'000	7.5%	6.9–8.1%	7.8%
60'000	11%	10–11.8%	10.5%
70'000	13.1%	11.9–14.1%	11.9%
80'000	14%	12.8–15.1%	13.1%
90'000	14.8%	13.5–15.9%	14.1%
100'000	15.9%	14.6–17%	15.3%
110'000	16.8%	15.4–18%	16.3%
120'000	17.8%	16.3–19%	17.2%
130'000	18.6%	17.1–19.9%	18.1%
140'000	19.5%	17.9–20.8%	19%
150'000	20.2%	18.6–21.6%	19.7%
175'000	22.2%	20.5–23.6%	21.6%
200'000	23.9%	22.1–25.4%	23.2%
225'000	25.4%	23.5–26.9%	24.6%
250'000	26.8%	24.8–28.4%	25.8%
275'000	28%	26–29.6%	26.8%
300'000	29%	27–30.7%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202010.3 °C

Precipitation 1991–2020971 mm

10.3 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

618 m

Mean elevation

561 m

Relief

190 m

Mean slope

4.9°

Flat share

69.7%

South-facing

3.1%

Above 2000 m

0.0%

Relief 190 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026

Solar potential

BFE

Roof potential

28.2 GWh/yr

Roofs + façades

36.7 GWh/yr

≈ households powered

6'300

Per inhabitant

5'674 kWh/yr

28 GWh/yr01'133 GWh/yr

BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026

Electricity

ElCom · 2027

Tariff H4

28.89 Rp./kWh

Energy

13.01 Rp./kWh

Grid usage

10.18 Rp./kWh

Levies + grid surcharge

3.92 Rp./kWh

28.89 Rp./kWh10.5645.88

Canton median 29.09 Rp./kWhSwiss median 26.53 Rp./kWh

Network operator Romande Energie SA

ElCom tariff comparison ↗

How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026

Health-insurance premiums

BAG · 2024

Premium regionRegion 2

Standard model, deductible 300663 CHF/mo

Ø premium in canton Vaud477 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Cossonay →Canton Vaud →Premiums explained →

Premiums are set per canton and premium region. This area lies in premium region 2 of canton Vaud. Shown is the average adult premium paid across the whole canton Vaud (2024, BAG) — a region-specific average is not available in the cantonal data.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE

Vacancy rate

0.38 %

Second homes

5.3 %

Avg. rooms

3.4

Dwellings

2'359

Built before 194617.8%

Built since 200147.3%

0.38 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024

Jobs

1'912

Workplaces

313

Services share

83.8 %

Jobs by sector: Primary 54 (2.8%) · Secondary 255 (13.3%) · Tertiary 1'603 (83.8%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025

Farms

Organic share

35.7 %

Farmland

583 ha

Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM

Major centrePT 37 min · Car 25 min

AgglomerationPT 37 min · Car 25 min

Remoteness 256/300 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number5477

Head of governmentGeorges Rime

Websitecossonay.ch ↗

DistrictDistrict de Morges

Wikidata · continuously updated, retrieved 24.09.2026

Where Cossonay ranks

Largest municipalities4'968 #36 VD · #438 CH Growing municipalities1.5% #77 VD · #521 CH Shrinking municipalities1.5% #223 VD · #1594 CH Jobs per resident0.38 #95 VD · #934 CH Families & children21.6% #200 VD · #642 CH Age structure14.6% #253 VD · #2016 CH Women share51% #93 VD · #407 CH Foreign residents26.3% #87 VD · #486 CH Population density600/km² #38 VD · #429 CH Tax burden15'889 #91 VD · #1219 CH Taxes66% #88 VD Warmest municipalities10.3 °C #98 VD · #286 CH Sunniest municipalities44.9% #158 VD · #682 CH Rainiest municipalities971 mm #234 VD · #1757 CH Voter turnout56.7% #230 VD · #998 CH Against Switzerland19.6% #29 VD · #555 CH Aligned with Switzerland80.4% #102 VD · #908 CH SVP strongholds16.3% #265 VD · #1940 CH SP strongholds29.1% #27 VD · #63 CH Centre strongholds4.4% #169 VD · #1862 CH FDP strongholds22.2% #163 VD · #338 CH GLP strongholds8% #121 VD · #589 CH Green strongholds13.5% #76 VD · #220 CH Largest by area8.3 km² #108 VD · #1121 CH Highest municipalities562 m #155 VD · #962 CH Second homes5.3% #287 VD · #2024 CH Organic farming35.7% #25 VD · #241 CH Best-connected municipalities37 min #42 VD · #190 CH Remotest municipalities37 min #256 VD · #1925 CH Highest peaks618 m #188 VD · #1465 CH Highest-lying municipalities561 m #172 VD · #1169 CH Greatest vertical range190 m #137 VD · #1417 CH Steepest municipalities4.9° #176 VD · #1600 CH Solar potential28 GWh #59 VD · #726 CH Solar potential per capita5'674 kWh #277 VD · #1875 CH Cheapest electricity28.89 Rp./kWh #246 VD · #1602 CH Most expensive electricity28.89 Rp./kWh #49 VD · #499 CH

Postal codes (1)

swisstopo

1304

Cossonay-Ville

Localities

swisstopo · 2

Allens1304 Cossonay-Ville1304

Nearby municipalities

swisstopo

Frequently 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 much tax do you pay in Cossonay?: A single person without children pays about 15'889 CHF income tax in Cossonay on 100'000 CHF gross income (federal, cantonal, municipal), rank 87 of 300 in canton VD. Source: ESTV (2026).
How many residents does Cossonay have?: Cossonay has 4'968 residents (2025).
How many foreign residents live in Cossonay?: Cossonay has 1'306 foreign residents, a share of 26.29% (2025).

Map

OpenStreetMap

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