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Demographics

BFS · 2025
Women
721 48.8%
Men
757 51.2%
Children & youth (0–19)
358 24.2%
Swiss citizens
1'152 77.9%
Foreign residents
326 22.1%
Population density
155 pop./km²
0–19 · 358 · 24.2%20–64 · 851 · 57.6%65+ · 269 · 18.2%
Foreign residents 22.1%0%64.0%
Population change 2025: −20 (−1.3%) · 12 births · 9 deaths · net migration −23
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
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District de Morges: 25.7% Yes
23.9% YesNo 76.1%
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
63.5% YesNo 36.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District de Morges: 47.9% Yes
54.0% YesNo 46.0%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District de Morges: 35.6% Yes
37.7% YesNo 62.3%
14.06.2026Question subsidiaireCantonal VD● Rejected · 47.3% YesDistrict District de Morges: 39.0% Yes
31.5% YesNo 68.5%
14.06.2026Contre-projet législatif « Loi sur le salaire minimum »Cantonal VD● Rejected · 49.7% YesDistrict District de Morges: 49.2% Yes
51.1% YesNo 48.9%
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
32.6% YesNo 67.4%
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
36.8% YesNo 63.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District de Morges: 67.4% Yes
67.4% YesNo 32.7%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
FDP29.9% · strongest party
FDP29.9%
SVP20.9%
SP18.5%
GRÜNE11.9%
GLP11.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier68%
Cantonal tax multiplier155%
68%VD range 46%83%
Tax rank 110 of 300 in canton Vaud
Tax burden
Single, 100'000 CHF gross income
16'022 CHF(16%)
Rank 108 of 300 in the canton · 1285 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
0%9%18%26%35%40k50k100k150k200k250k300k
100'000 CHF:16'022 CHF(~16%)
YensCanton range VaudSwitzerland median
Show data table
Gross incomeYensVaudSwitzerland median
40'0004.1%3.7–4.3%5.4%
50'0007.6%6.9–8.1%7.8%
60'00011.1%10–11.8%10.5%
70'00013.2%11.9–14.1%11.9%
80'00014.2%12.8–15.1%13.1%
90'00014.9%13.5–15.9%14.1%
100'00016%14.6–17%15.3%
110'00017%15.4–18%16.3%
120'00017.9%16.3–19%17.2%
130'00018.7%17.1–19.9%18.1%
140'00019.6%17.9–20.8%19%
150'00020.4%18.6–21.6%19.7%
175'00022.3%20.5–23.6%21.6%
200'00024%22.1–25.4%23.2%
225'00025.6%23.5–26.9%24.6%
250'00026.9%24.8–28.4%25.8%
275'00028.2%26–29.6%26.8%
300'00029.2%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 °C
Precipitation 1991–20201'003 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
711 m
Mean elevation
612 m
Relief
234 m
Mean slope
5.4°
Flat share
54.6%
South-facing
24.8%
Above 2000 m
0.0%
Relief 234 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
Roof potential
17.5 GWh/yr
Roofs + façades
22.5 GWh/yr
≈ households powered
3'900
Per inhabitant
11'813 kWh/yr
17 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
27.89 Rp./kWh
Energy
13.01 Rp./kWh
Grid usage
10.18 Rp./kWh
Levies + grid surcharge
2.92 Rp./kWh
27.89 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
Premium regionRegion 1
Standard model, deductible 300698 CHF/mo
Ø premium in canton Vaud477 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set per canton and premium region. This area lies in premium region 1 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
1.52 %
Second homes
13.1 %
Avg. rooms
4
Dwellings
658
Built before 194637.2%
Built since 200128.3%
1.52 %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
440
Workplaces
109
Services share
48.6 %
Jobs by sector: Primary 92 (20.9%) · Secondary 134 (30.5%) · Tertiary 214 (48.6%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
15
Organic share
13.3 %
Farmland
454 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 50 min · Car 30 min
AgglomerationPT 50 min · Car 30 min
Remoteness 177/300 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number5655
Head of governmentJean-Pierre Bourdon
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities1'478 #99 VD · #1184 CHGrowing municipalities-1.3% #258 VD · #1892 CHShrinking municipalities-1.3% #44 VD · #218 CHJobs per resident0.3 #138 VD · #1303 CHFamilies & children24.2% #71 VD · #148 CHAge structure18.2% #141 VD · #1619 CHWomen share48.8% #239 VD · #1616 CHForeign residents22.1% #131 VD · #709 CHPopulation density155/km² #142 VD · #1205 CHTax burden16'022 #114 VD · #1291 CHTaxes68% #110 VDWarmest municipalities10 °C #139 VD · #558 CHSunniest municipalities46.4% #98 VD · #524 CHRainiest municipalities1'003 mm #198 VD · #1608 CHVoter turnout64.2% #94 VD · #246 CHAgainst Switzerland16.7% #80 VD · #805 CHAligned with Switzerland83.3% #65 VD · #696 CHSVP strongholds20.9% #204 VD · #1745 CHSP strongholds18.5% #191 VD · #584 CHCentre strongholds4.4% #173 VD · #1866 CHFDP strongholds29.9% #42 VD · #92 CHGLP strongholds11.1% #41 VD · #215 CHGreen strongholds11.9% #136 VD · #362 CHLargest by area9.5 km² #95 VD · #1004 CHHighest municipalities637 m #104 VD · #729 CHSecond homes13.1% #87 VD · #764 CHOrganic farming13.3% #121 VD · #996 CHBest-connected municipalities50 min #127 VD · #484 CHRemotest municipalities50 min #177 VD · #1652 CHHighest peaks711 m #142 VD · #1182 CHHighest-lying municipalities612 m #132 VD · #967 CHGreatest vertical range234 m #114 VD · #1210 CHSteepest municipalities5.4° #156 VD · #1503 CHSolar potential17 GWh #95 VD · #1122 CHSolar potential per capita11'813 kWh #128 VD · #781 CHCheapest electricity27.89 Rp./kWh #63 VD · #1276 CHMost expensive electricity27.89 Rp./kWh #234 VD · #827 CH

Localities

swisstopo · 1
What is the postal code of Yens?
The postal code of Yens is 1169.
What is the tax rate in Yens?
The municipal tax multiplier of Yens is 68% (2026); canton VD levies 155%.
How much tax do you pay in Yens?
A single person without children pays about 16'022 CHF income tax in Yens on 100'000 CHF gross income (federal, cantonal, municipal), rank 108 of 300 in canton VD. Source: ESTV (2026).
How many residents does Yens have?
Yens has 1'478 residents (2025).
How many foreign residents live in Yens?
Yens has 326 foreign residents, a share of 22.06% (2025).

Map

OpenStreetMap