Le Mont-sur-Lausanne: population and statistics
Le Mont-sur-Lausanne has a population of 9,790 (2025) across 9.8 km², or 998 people per km². It ranks 188 of 2,115 municipalities by population. Its population is growing: +34.4% between 2015 and 2025.
- 9,790 residents
- 9.8 km²
- 998 people/km²
- 672 m
Key points
Among the 300 municipalities in Vaud, Le Mont-sur-Lausanne ranks No. 21 by population.
Dwellings in buildings built since 2001: 43.8% in Le Mont-sur-Lausanne, compared with an average of 24.7% in Vaud and 24.6% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,285 kWh a year here.
Le Mont-sur-Lausanne in numbers
Where is Le Mont-sur-Lausanne?
Population of Le Mont-sur-Lausanne over time
Le Mont-sur-Lausanne had 7,282 residents in 2015 and 9,790 in 2025.
| Year | Population |
|---|---|
| 2020 | 9,144 |
| 2021 | 9,207 |
| 2022 | 9,291 |
| 2023 | 9,272 |
| 2024 | 9,531 |
| 2025 | 9,790 |
Did you know?
- “Photovoltaic installations”: higher than in 98% of municipalities.
- “Dwellings in buildings built since 2001”: higher than in 96% of municipalities.
- “Share of people aged 65 and over”: lower than in 95% of municipalities.
- Its area is roughly equal to 1,374 football pitches.
- Its population density is 4.3 times the national average.
- The nearest more populous municipality is Lausanne (145,596 residents), 1.9 km away.
- A 4 kWp rooftop solar system here would generate about 5,140 kWh a year, roughly what an average household uses.
All indicators for Le Mont-sur-Lausanne
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 | Le Mont-sur-Lausanne | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 15.0% | 17.1% | 20.7% | ranked 1,713 of 1,811 |
Housing
| Indicator | Le Mont-sur-Lausanne | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 3,931 | 449,691 | 4,927,050 | ranked 273 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 13.6% | 25.9% | 23.3% | ranked 1,431 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 43.8% | 24.7% | 25.3% | ranked 80 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 67.0% | 52.6% | 69.5% | ranked 1,043 of 1,806 |
Energy
| Indicator | Le Mont-sur-Lausanne | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 65.5% | 72.6% | 53.5% | ranked 504 of 1,806 | |
| Heat pumps as main heating (2026) | 14.1% | 6.9% | 13.7% | ranked 886 of 1,806 | |
| Wood heating systems (2026) | 5.1% | 5.6% | 12.4% | ranked 1,444 of 1,806 | |
| District heating (2026) | 2.6% | 5.5% | 1.4% | ranked 693 of 1,806 | |
| Photovoltaic installations (2026) | 602 | 36,655 | 329,600 | ranked 53 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,111 kW | 784.6 kW | 1,134 kW | ranked 935 of 1,806 | |
| Rooftop solar electricity potential (2026) | 75.7 GWh/year | 6,033 GWh/year | 64,783 GWh/year | ranked 162 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 7,730 kWh/inh. | 6,985 kWh/inh. | 9,356 kWh/inh. | ranked 1,239 of 1,810 |
Economy
| Indicator | Le Mont-sur-Lausanne | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 861 | 67,877 | 728,011 | ranked 136 of 2,112 | |
| Entities listed in the commercial register (2026) | 1,028 | 67,255 | 762,757 | ranked 126 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 105.0 | 77.9 | 64.9 | ranked 165 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 75.2% | 67.6% | 65.7% | ranked 183 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 18.9% | 26.9% | 29.0% | ranked 1,643 of 1,808 |
Employment
| Indicator | Le Mont-sur-Lausanne | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 9,127 | 498,823 | 5,679,518 | ranked 99 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 932.3 | 577.7 | 362.9 | ranked 96 of 1,810 | |
| Share of jobs in services (2024) | 78.8% | 79.0% | 63.6% | ranked 357 of 1,804 | |
| Share of jobs in industry and construction (2024) | 20.6% | 16.3% | 24.2% | ranked 1,060 of 1,776 |
Society
| Indicator | Le Mont-sur-Lausanne | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 28.3% | 34.3% | 18.9% | ranked 375 of 1,811 |
Sunshine and temperatures: Le Mont-sur-Lausanne
Frequently asked questions
What is the population of Le Mont-sur-Lausanne?
Le Mont-sur-Lausanne has 9,790 residents (2025), ranking 188 of 2,115 municipalities.
How big is Le Mont-sur-Lausanne?
Le Mont-sur-Lausanne covers 9.8 km², with a density of 998 people per km².
Is the population of Le Mont-sur-Lausanne growing?
Between 2015 and 2025, the population of Le Mont-sur-Lausanne went from 7,282 to 9,790, a change of +34.4%.
Where is Le Mont-sur-Lausanne?
Le Mont-sur-Lausanne is in Vaud. It belongs to District de Lausanne (district). Latitude 46.550, longitude 6.633.
Photovoltaic installations: what is the figure for Le Mont-sur-Lausanne?
In Le Mont-sur-Lausanne, “Photovoltaic installations” stands at 602 (2026), ranking 53 of 2,108 municipalities; the national median is 103.
Dwellings in buildings built since 2001: what is the figure for Le Mont-sur-Lausanne?
In Le Mont-sur-Lausanne, “Dwellings in buildings built since 2001” stands at 43.8% (2026), ranking 80 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Le Mont-sur-Lausanne?
In Le Mont-sur-Lausanne, a 1 kWp south-facing system tilted at 39° produces about 1,285 kWh a year.
Which municipalities border Le Mont-sur-Lausanne?
The nearest to Le Mont-sur-Lausanne are Lausanne (1.9 km), Jouxtens-Mézery (2.5 km), Epalinges (2.5 km), Romanel-sur-Lausanne (3.2 km), Prilly (3.2 km).