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Demographics

BFS · 2025
Women
211 51.3%
Men
200 48.7%
Children & youth (0–19)
93 22.6%
Swiss citizens
324 78.8%
Foreign residents
87 21.2%
Population density
161 pop./km²
0–19 · 93 · 22.6%20–64 · 256 · 62.3%65+ · 62 · 15.1%
Foreign residents 21.2%0%64.0%
Population change 2025: +20 (+5.1%) · 4 births · 1 deaths · net migration +14
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 Nyon: 27.6% Yes
20.9% YesNo 79.1%
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 Nyon: 61.6% Yes
58.3% YesNo 41.7%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District de Nyon: 50.7% Yes
43.8% YesNo 56.2%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District de Nyon: 34.4% Yes
32.3% YesNo 67.7%
14.06.2026Question subsidiaireCantonal VD● Rejected · 47.3% YesDistrict District de Nyon: 37.7% Yes
36.2% YesNo 63.8%
14.06.2026Contre-projet législatif « Loi sur le salaire minimum »Cantonal VD● Rejected · 49.7% YesDistrict District de Nyon: 51.5% Yes
57.7% YesNo 42.3%
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 Nyon: 39.9% Yes
42.9% YesNo 57.1%
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 Nyon: 42.9% Yes
40.9% YesNo 59.1%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District de Nyon: 67.8% Yes
64.1% YesNo 35.9%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP21.2% · strongest party
SVP21.2%
SP20.8%
FDP20.0%
GRÜNE12.5%
Übrige9.5%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier60%
Cantonal tax multiplier155%
60%VD range 46%83%
Tax rank 32 of 300 in canton Vaud
Tax burden
Single, 100'000 CHF gross income
15'490 CHF(15.5%)
Rank 31 of 300 in the canton · 1094 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:15'490 CHF(~15.5%)
GrensCanton range VaudSwitzerland median
Show data table
Gross incomeGrensVaudSwitzerland median
40'0003.9%3.7–4.3%5.4%
50'0007.3%6.9–8.1%7.8%
60'00010.7%10–11.8%10.5%
70'00012.7%11.9–14.1%11.9%
80'00013.7%12.8–15.1%13.1%
90'00014.4%13.5–15.9%14.1%
100'00015.5%14.6–17%15.3%
110'00016.4%15.4–18%16.3%
120'00017.3%16.3–19%17.2%
130'00018.1%17.1–19.9%18.1%
140'00019%17.9–20.8%19%
150'00019.7%18.6–21.6%19.7%
175'00021.7%20.5–23.6%21.6%
200'00023.3%22.1–25.4%23.2%
225'00024.8%23.5–26.9%24.6%
250'00026.2%24.8–28.4%25.8%
275'00027.4%26–29.6%26.8%
300'00028.4%27–30.7%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.5 °C
Precipitation 1991–20201'075 mm
10.5 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
514 m
Mean elevation
496 m
Relief
40 m
Mean slope
2.1°
Flat share
95.3%
South-facing
2.1%
Above 2000 m
0.0%
Relief 40 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
3.9 GWh/yr
Roofs + façades
5 GWh/yr
≈ households powered
900
Per inhabitant
9'465 kWh/yr
4 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
28.59 Rp./kWh
Energy
13.01 Rp./kWh
Grid usage
10.18 Rp./kWh
Levies + grid surcharge
3.62 Rp./kWh
28.59 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
2.45 %
Second homes
6.6 %
Avg. rooms
4.2
Dwellings
163
Built before 194633.7%
Built since 200120.9%
2.45 %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
363
Workplaces
43
Services share
13.5 %
Jobs by sector: Primary 35 (9.6%) · Secondary 279 (76.9%) · Tertiary 49 (13.5%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
6
Organic share
16.7 %
Farmland
275 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 45 min · Car 32 min
AgglomerationPT 45 min · Car 32 min
Remoteness 213/300 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number5722
Head of governmentKurt Möhr
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities411 #235 VD · #1881 CHGrowing municipalities5.1% #10 VD · #48 CHShrinking municipalities5.1% #292 VD · #2063 CHJobs per resident0.88 #22 VD · #123 CHFamilies & children22.6% #146 VD · #403 CHAge structure15.1% #244 VD · #1985 CHWomen share51.3% #76 VD · #294 CHForeign residents21.2% #141 VD · #768 CHPopulation density161/km² #135 VD · #1158 CHTax burden15'490 #34 VD · #1097 CHTaxes60% #32 VDWarmest municipalities10.5 °C #76 VD · #230 CHSunniest municipalities46.4% #100 VD · #526 CHRainiest municipalities1'075 mm #139 VD · #1251 CHVoter turnout69.6% #27 VD · #70 CHSVP strongholds21.2% #199 VD · #1733 CHSP strongholds20.8% #150 VD · #409 CHCentre strongholds6.6% #54 VD · #1623 CHFDP strongholds20% #209 VD · #451 CHGLP strongholds3.1% #278 VD · #1575 CHGreen strongholds12.5% #107 VD · #297 CHLargest by area2.6 km² #262 VD · #1935 CHHighest municipalities496 m #194 VD · #1231 CHSecond homes6.6% #272 VD · #1898 CHOrganic farming16.7% #98 VD · #808 CHBest-connected municipalities45 min #87 VD · #353 CHRemotest municipalities45 min #213 VD · #1776 CHHighest peaks514 m #245 VD · #1832 CHHighest-lying municipalities496 m #206 VD · #1443 CHGreatest vertical range40 m #292 VD · #2065 CHSteepest municipalities2.1° #264 VD · #1997 CHSolar potential4 GWh #262 VD · #1993 CHSolar potential per capita9'465 kWh #183 VD · #1162 CHCheapest electricity28.59 Rp./kWh #189 VD · #1487 CHMost expensive electricity28.59 Rp./kWh #138 VD · #646 CH

Localities

swisstopo · 1
What is the postal code of Grens?
The postal code of Grens is 1274.
What is the tax rate in Grens?
The municipal tax multiplier of Grens is 60% (2026); canton VD levies 155%.
How much tax do you pay in Grens?
A single person without children pays about 15'490 CHF income tax in Grens on 100'000 CHF gross income (federal, cantonal, municipal), rank 31 of 300 in canton VD. Source: ESTV (2026).
How many residents does Grens have?
Grens has 411 residents (2025).
How many foreign residents live in Grens?
Grens has 87 foreign residents, a share of 21.17% (2025).

Map

OpenStreetMap