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Demographics

BFS · 2025
Women
298 48.9%
Men
311 51.1%
Children & youth (0–19)
138 22.7%
Swiss citizens
519 85.2%
Foreign residents
90 14.8%
Population density
104 pop./km²
0–19 · 138 · 22.7%20–64 · 374 · 61.4%65+ · 97 · 15.9%
Foreign residents 14.8%0%64.0%
Population change 2025: +6 (+1%) · 9 births · 4 deaths · net migration +1
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 du Gros-de-Vaud: 28.8% Yes
31.3% YesNo 68.7%
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 du Gros-de-Vaud: 58.2% Yes
63.3% YesNo 36.7%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District du Gros-de-Vaud: 52.8% Yes
53.1% YesNo 46.9%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District du Gros-de-Vaud: 43.9% Yes
47.2% YesNo 52.8%
14.06.2026Question subsidiaireCantonal VD● Rejected · 47.3% YesDistrict District du Gros-de-Vaud: 37.7% Yes
29.3% YesNo 70.7%
14.06.2026Contre-projet législatif « Loi sur le salaire minimum »Cantonal VD● Rejected · 49.7% YesDistrict District du Gros-de-Vaud: 51.0% Yes
59.0% YesNo 41.0%
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 du Gros-de-Vaud: 40.8% Yes
33.5% YesNo 66.5%
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 du Gros-de-Vaud: 43.4% Yes
32.2% YesNo 67.8%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District du Gros-de-Vaud: 65.1% Yes
69.6% YesNo 30.4%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
FDP31.4% · strongest party
FDP31.4%
SVP30.1%
SP14.6%
GRÜNE7.4%
GLP6.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier71%
Cantonal tax multiplier155%
71%VD range 46%83%
Tax rank 165 of 300 in canton Vaud
Tax burden
Single, 100'000 CHF gross income
16'222 CHF(16.2%)
Rank 161 of 300 in the canton · 1398 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:16'222 CHF(~16.2%)
Oulens-sous-EchallensCanton range VaudSwitzerland median
Show data table
Gross incomeOulens-sous-EchallensVaudSwitzerland median
40'0004.1%3.7–4.3%5.4%
50'0007.7%6.9–8.1%7.8%
60'00011.2%10–11.8%10.5%
70'00013.4%11.9–14.1%11.9%
80'00014.3%12.8–15.1%13.1%
90'00015.1%13.5–15.9%14.1%
100'00016.2%14.6–17%15.3%
110'00017.2%15.4–18%16.3%
120'00018.1%16.3–19%17.2%
130'00019%17.1–19.9%18.1%
140'00019.8%17.9–20.8%19%
150'00020.6%18.6–21.6%19.7%
175'00022.6%20.5–23.6%21.6%
200'00024.3%22.1–25.4%23.2%
225'00025.8%23.5–26.9%24.6%
250'00027.2%24.8–28.4%25.8%
275'00028.5%26–29.6%26.8%
300'00029.5%27–30.7%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.1 °C
Precipitation 1991–2020972 mm
10.1 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
610 m
Mean elevation
586 m
Relief
114 m
Mean slope
4.1°
Flat share
74.9%
South-facing
1.6%
Above 2000 m
0.0%
Relief 114 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
8.6 GWh/yr
Roofs + façades
11.3 GWh/yr
≈ households powered
1'900
Per inhabitant
14'154 kWh/yr
9 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 2
Standard model, deductible 300663 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 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
2.83 %
Second homes
9.5 %
Avg. rooms
4.1
Dwellings
283
Built before 194646.3%
Built since 200128.6%
2.83 %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
144
Workplaces
51
Services share
60.4 %
Jobs by sector: Primary 37 (25.7%) · Secondary 20 (13.9%) · Tertiary 87 (60.4%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
12
Organic share
8.3 %
Farmland
355 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 54 min · Car 24 min
AgglomerationPT 54 min · Car 23 min
Remoteness 145/300 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number5529
Head of governmentDominique Tille
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities609 #185 VD · #1714 CHGrowing municipalities1% #112 VD · #796 CHShrinking municipalities1% #189 VD · #1315 CHJobs per resident0.24 #171 VD · #1595 CHFamilies & children22.7% #140 VD · #382 CHAge structure15.9% #219 VD · #1911 CHWomen share48.9% #234 VD · #1573 CHForeign residents14.8% #227 VD · #1298 CHPopulation density104/km² #178 VD · #1447 CHTax burden16'222 #167 VD · #1404 CHTaxes71% #165 VDWarmest municipalities10.1 °C #126 VD · #451 CHSunniest municipalities44% #227 VD · #842 CHRainiest municipalities972 mm #232 VD · #1748 CHVoter turnout68.6% #35 VD · #94 CHSVP strongholds30.1% #84 VD · #1268 CHSP strongholds14.6% #260 VD · #993 CHCentre strongholds4.6% #152 VD · #1835 CHFDP strongholds31.4% #26 VD · #65 CHGLP strongholds6.6% #168 VD · #847 CHGreen strongholds7.4% #250 VD · #1009 CHLargest by area5.9 km² #145 VD · #1412 CHHighest municipalities588 m #138 VD · #861 CHSecond homes9.5% #177 VD · #1303 CHOrganic farming8.3% #163 VD · #1354 CHBest-connected municipalities54 min #154 VD · #606 CHRemotest municipalities54 min #145 VD · #1526 CHHighest peaks610 m #198 VD · #1498 CHHighest-lying municipalities586 m #155 VD · #1070 CHGreatest vertical range114 m #212 VD · #1768 CHSteepest municipalities4.1° #206 VD · #1732 CHSolar potential9 GWh #169 VD · #1642 CHSolar potential per capita14'154 kWh #89 VD · #514 CHCheapest electricity27.89 Rp./kWh #36 VD · #1249 CHMost expensive electricity27.89 Rp./kWh #207 VD · #800 CH

Localities

swisstopo · 1
What is the postal code of Oulens-sous-Echallens?
The postal code of Oulens-sous-Echallens is 1377.
What is the tax rate in Oulens-sous-Echallens?
The municipal tax multiplier of Oulens-sous-Echallens is 71% (2026); canton VD levies 155%.
How much tax do you pay in Oulens-sous-Echallens?
A single person without children pays about 16'222 CHF income tax in Oulens-sous-Echallens on 100'000 CHF gross income (federal, cantonal, municipal), rank 161 of 300 in canton VD. Source: ESTV (2026).
How many residents does Oulens-sous-Echallens have?
Oulens-sous-Echallens has 609 residents (2025).
How many foreign residents live in Oulens-sous-Echallens?
Oulens-sous-Echallens has 90 foreign residents, a share of 14.78% (2025).

Map

OpenStreetMap
Oulens-sous-Echallens compared with