La Chaux (Cossonay): population and statistics
La Chaux (Cossonay) has a population of 418 (2025) across 6.7 km², or 62.0 people per km². It ranks 1,886 of 2,115 municipalities by population. Its population is falling: −0.7% between 2015 and 2025.
- 418 residents
- 6.7 km²
- 62 people/km²
- 553 m
Key points
Among the 300 municipalities in Vaud, La Chaux (Cossonay) ranks No. 233 by population.
A 1 kWp solar panel tilted at 39° generates about 1,309 kWh a year here.
La Chaux (Cossonay) in numbers
Where is La Chaux (Cossonay)?
Population of La Chaux (Cossonay) over time
La Chaux (Cossonay) had 421 residents in 2015 and 418 in 2025.
| Year | Population |
|---|---|
| 2020 | 392 |
| 2021 | 398 |
| 2022 | 413 |
| 2023 | 432 |
| 2024 | 432 |
| 2025 | 418 |
Did you know?
- “Jobs”: lower than in 95% of municipalities.
- “Dwellings”: lower than in 92% of municipalities.
- Its area is roughly equal to 944 football pitches.
- Its population density is 3.7 times lower than the national average.
- The nearest municipality is Senarclens, 2.0 km away.
- The nearest more populous municipality is Cossonay (4,968 residents), 3.4 km away.
- A 4 kWp rooftop solar system here would generate about 5,236 kWh a year, roughly what an average household uses.
All indicators for La Chaux (Cossonay)
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 | La Chaux (Cossonay) | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.1% | 17.1% | 20.7% |
Housing
| Indicator | La Chaux (Cossonay) | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 190 | 449,691 | 4,927,050 | ranked 1,946 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 72.6% | 25.9% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 11.1% | 24.7% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 69.5% | 52.6% | 69.5% |
Energy
| Indicator | La Chaux (Cossonay) | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 73.6% | 72.6% | 53.5% | ||
| Heat pumps as main heating (2026) | 3.8% | 6.9% | 13.7% | ||
| Wood heating systems (2026) | 8.5% | 5.6% | 12.4% | ||
| District heating (2026) | 1.9% | 5.5% | 1.4% | ||
| Photovoltaic installations (2026) | 33 | 36,655 | 329,600 | ranked 1,782 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,202 kW | 784.6 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 5.6 GWh/year | 6,033 GWh/year | 64,783 GWh/year | ranked 1,869 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 13,445 kWh/inh. | 6,985 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | La Chaux (Cossonay) | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 35 | 67,877 | 728,011 | ranked 1,857 of 2,112 | |
| Entities listed in the commercial register (2026) | 30 | 67,255 | 762,757 | ranked 1,809 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 71.8 | 77.9 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 56.7% | 67.6% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 40.0% | 26.9% | 29.0% |
Employment
| Indicator | La Chaux (Cossonay) | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 56 | 498,823 | 5,679,518 | ranked 2,011 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 134.0 | 577.7 | 362.9 | ||
| Share of jobs in services (2024) | 51.8% | 79.0% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 14.3% | 16.3% | 24.2% |
Society
| Indicator | La Chaux (Cossonay) | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 12.9% | 34.3% | 18.9% |
Sunshine and temperatures: La Chaux (Cossonay)
Frequently asked questions
What is the population of La Chaux (Cossonay)?
La Chaux (Cossonay) has 418 residents (2025), ranking 1,886 of 2,115 municipalities.
How big is La Chaux (Cossonay)?
La Chaux (Cossonay) covers 6.7 km², with a density of 62 people per km².
Is the population of La Chaux (Cossonay) growing?
Between 2015 and 2025, the population of La Chaux (Cossonay) went from 421 to 418, a change of −0.7%.
Where is La Chaux (Cossonay)?
La Chaux (Cossonay) is in Vaud. It belongs to District de Morges (district). Latitude 46.616, longitude 6.473.
Jobs: what is the figure for La Chaux (Cossonay)?
In La Chaux (Cossonay), “Jobs” stands at 56 (2024), ranking 2,011 of 2,111 municipalities; the national median is 622.
Dwellings: what is the figure for La Chaux (Cossonay)?
In La Chaux (Cossonay), “Dwellings” stands at 190 (2026), ranking 1,946 of 2,108 municipalities; the national median is 990.
How much electricity does a solar panel produce in La Chaux (Cossonay)?
In La Chaux (Cossonay), a 1 kWp south-facing system tilted at 39° produces about 1,309 kWh a year.
Which municipalities border La Chaux (Cossonay)?
The nearest to La Chaux (Cossonay) are Senarclens (2.0 km), Chavannes-le-Veyron (2.5 km), Grancy (2.7 km), Dizy (2.8 km), Cossonay (3.4 km).