Location map: Grens
Municipality · District de Nyon · Vaud

Grens: population and statistics

Grens has a population of 411 (2025) across 2.5 km², or 162 people per km². It ranks 1,888 of 2,115 municipalities by population. Its population is growing: +6.2% between 2015 and 2025.

  • 411 residents
  • 2.5 km²
  • 162 people/km²
  • 495 m

Key points

Among the 300 municipalities in Vaud, Grens ranks No. 235 by population.

A 1 kWp solar panel tilted at 38° generates about 1,296 kWh a year here.

Grens in numbers

Population
411
ranked 1,888 of 2,115
+6.2%over 10 years
2015–2025
Population density
162people/km²
Area
2.5km²
ranked 1,915 of 2,110
Elevation
495m
ranked 1,169 of 2,114
Rooftop solar electricity potential
3.9GWh/year
ranked 2,000 of 2,114
Dwellings
167
ranked 1,976 of 2,108
Establishments
43
ranked 1,770 of 2,112
Jobs
363
ranked 1,333 of 2,111

Where is Grens?

Population of Grens over time

380390400410420201520172019202120232025
Population, 2015–2025

Grens had 387 residents in 2015 and 411 in 2025.

YearPopulation
2020406
2021400
2022399
2023395
2024391
2025411

Did you know?

All indicators for Grens

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

GrensNational medianHover over or tap a bar to see what it shows.

Population

IndicatorGrensVaudNationalPosition?Rank
Share of people aged 65 and over (2025)15.1%17.1%20.7%

Housing

IndicatorGrensVaudNationalPosition?Rank
Dwellings (2026)167449,6914,927,050ranked 1,976 of 2,108
Dwellings in buildings built before 1946 (2026)32.9%25.9%23.3%
Dwellings in buildings built since 2001 (2026)22.8%24.7%25.3%
Share of single-family houses among residential buildings (2026)68.0%52.6%69.5%

Energy

IndicatorGrensVaudNationalPosition?Rank
Oil or gas heating systems (2026)67.9%72.6%53.5%
Heat pumps as main heating (2026)7.4%6.9%13.7%
Wood heating systems (2026)7.4%5.6%12.4%
District heating (2026)0.0%5.5%1.4%
Photovoltaic installations (2026)3336,655329,600ranked 1,782 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,000 kW784.6 kW1,134 kW
Rooftop solar electricity potential (2026)3.9 GWh/year6,033 GWh/year64,783 GWh/yearranked 2,000 of 2,114
Rooftop solar potential per inhabitant (2026)9,465 kWh/inh.6,985 kWh/inh.9,356 kWh/inh.

Economy

IndicatorGrensVaudNationalPosition?Rank
Establishments (2024)4367,877728,011ranked 1,770 of 2,112
Entities listed in the commercial register (2026)3467,255762,757ranked 1,752 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)82.777.964.9
Share of limited companies (AG, GmbH) among registered entities (2026)64.7%67.6%65.7%
Share of sole proprietorships among registered entities (2026)26.5%26.9%29.0%

Employment

IndicatorGrensVaudNationalPosition?Rank
Jobs (2024)363498,8235,679,518ranked 1,333 of 2,111
Jobs per 1,000 inhabitants (2024)883.2577.7362.9
Share of jobs in services (2024)13.5%79.0%63.6%
Share of jobs in industry and construction (2024)76.9%16.3%24.2%

Society

IndicatorGrensVaudNationalPosition?Rank
Share of foreign nationals (2025)21.2%34.3%18.9%

Sunshine and temperatures: Grens

Annual solar output
1,296kWh
for 1 kWp tilted at 38°
Warmest month
20.1°C
July
Coldest month
1.8°C
January
Most productive month
146kWh
July

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Frequently asked questions

What is the population of Grens?

Grens has 411 residents (2025), ranking 1,888 of 2,115 municipalities.

How big is Grens?

Grens covers 2.5 km², with a density of 162 people per km².

Is the population of Grens growing?

Between 2015 and 2025, the population of Grens went from 387 to 411, a change of +6.2%.

Where is Grens?

Grens is in Vaud. It belongs to District de Nyon (district). Latitude 46.394, longitude 6.191.

Rooftop solar electricity potential: what is the figure for Grens?

In Grens, “Rooftop solar electricity potential” stands at 3.9 GWh/year (2026), ranking 2,000 of 2,114 municipalities; the national median is 19.0 GWh/year.

Dwellings: what is the figure for Grens?

In Grens, “Dwellings” stands at 167 (2026), ranking 1,976 of 2,108 municipalities; the national median is 990.

How much electricity does a solar panel produce in Grens?

In Grens, a 1 kWp south-facing system tilted at 38° produces about 1,296 kWh a year.

Which municipalities border Grens?

The nearest to Grens are Signy-Avenex (0.6 km), Eysins (1.3 km), Borex (2.0 km), Gingins (2.6 km), Trélex (2.6 km).