Trélex: population and statistics
Trélex has a population of 1,426 (2025) across 5.7 km², or 251 people per km². It ranks 1,209 of 2,115 municipalities by population. Its population is stable: +0.1% between 2015 and 2025.
- 1,426 residents
- 5.7 km²
- 251 people/km²
- 517 m
Key points
Among the 300 municipalities in Vaud, Trélex ranks No. 104 by population.
Jobs per 1,000 inhabitants: 166.9 in Trélex, compared with an average of 577.7 in Vaud and 622.5 nationally.
Share of single-family houses among residential buildings: 80.7% in Trélex, compared with an average of 52.6% in Vaud and 56.9% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,332 kWh a year here.
Trélex in numbers
Where is Trélex?
Population of Trélex over time
Trélex had 1,425 residents in 2015 and 1,426 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,449 |
| 2021 | 1,443 |
| 2022 | 1,430 |
| 2023 | 1,449 |
| 2024 | 1,426 |
| 2025 | 1,426 |
Did you know?
- “Jobs per 1,000 inhabitants”: lower than in 92% of municipalities.
- Its area is roughly equal to 797 football pitches.
- The nearest municipality is Gingins, 1.3 km away.
- The nearest more populous municipality is Prangins (4,236 residents), 4.3 km away.
- A 4 kWp rooftop solar system here would generate about 5,328 kWh a year, roughly what an average household uses.
All indicators for Trélex
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.
Population
| Indicator | Trélex | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.6% | 17.1% | 20.7% | ranked 1,295 of 1,811 |
Housing
| Indicator | Trélex | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 615 | 449,691 | 4,927,050 | ranked 1,357 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 20.6% | 25.9% | 23.3% | ranked 1,029 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 23.7% | 24.7% | 25.3% | ranked 994 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 80.7% | 52.6% | 69.5% | ranked 195 of 1,806 |
Energy
| Indicator | Trélex | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 54.6% | 72.6% | 53.5% | ranked 877 of 1,806 | |
| Heat pumps as main heating (2026) | 13.8% | 6.9% | 13.7% | ranked 897 of 1,806 | |
| Wood heating systems (2026) | 6.6% | 5.6% | 12.4% | ranked 1,314 of 1,806 | |
| District heating (2026) | 0.6% | 5.5% | 1.4% | ranked 1,183 of 1,806 | |
| Photovoltaic installations (2026) | 163 | 36,655 | 329,600 | ranked 671 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,490 kW | 784.6 kW | 1,134 kW | ranked 540 of 1,806 | |
| Rooftop solar electricity potential (2026) | 12.4 GWh/year | 6,033 GWh/year | 64,783 GWh/year | ranked 1,391 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,717 kWh/inh. | 6,985 kWh/inh. | 9,356 kWh/inh. | ranked 1,030 of 1,810 |
Economy
| Indicator | Trélex | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 89 | 67,877 | 728,011 | ranked 1,337 of 2,112 | |
| Entities listed in the commercial register (2026) | 123 | 67,255 | 762,757 | ranked 1,030 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 86.3 | 77.9 | 64.9 | ranked 339 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 70.7% | 67.6% | 65.7% | ranked 466 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 26.0% | 26.9% | 29.0% | ranked 1,169 of 1,808 |
Employment
| Indicator | Trélex | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 238 | 498,823 | 5,679,518 | ranked 1,535 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 166.9 | 577.7 | 362.9 | ranked 1,673 of 1,810 | |
| Share of jobs in services (2024) | 78.2% | 79.0% | 63.6% | ranked 381 of 1,804 | |
| Share of jobs in industry and construction (2024) | 9.7% | 16.3% | 24.2% | ranked 1,567 of 1,776 |
Society
| Indicator | Trélex | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 21.9% | 34.3% | 18.9% | ranked 689 of 1,811 |
Sunshine and temperatures: Trélex
Frequently asked questions
What is the population of Trélex?
Trélex has 1,426 residents (2025), ranking 1,209 of 2,115 municipalities.
How big is Trélex?
Trélex covers 5.7 km², with a density of 251 people per km².
Is the population of Trélex growing?
Between 2015 and 2025, the population of Trélex went from 1,425 to 1,426, a change of +0.1%.
Where is Trélex?
Trélex is in Vaud. It belongs to District de Nyon (district). Latitude 46.417, longitude 6.200.
Jobs per 1,000 inhabitants: what is the figure for Trélex?
In Trélex, “Jobs per 1,000 inhabitants” stands at 166.9 (2024), ranking 1,673 of 1,810 municipalities; the national median is 362.9.
Share of single-family houses among residential buildings: what is the figure for Trélex?
In Trélex, “Share of single-family houses among residential buildings” stands at 80.7% (2026), ranking 195 of 1,806 municipalities; the national median is 69.5%.
How much electricity does a solar panel produce in Trélex?
In Trélex, a 1 kWp south-facing system tilted at 39° produces about 1,332 kWh a year.
Which municipalities border Trélex?
The nearest to Trélex are Gingins (1.3 km), Givrins (1.9 km), Genolier (2.3 km), Chéserex (2.6 km), Coinsins (2.6 km).