Port-Valais: population and statistics
Port-Valais has a population of 4,528 (2025) across 14.3 km², or 316 people per km². It ranks 490 of 2,115 municipalities by population. Its population is growing: +16.1% between 2015 and 2025.
- 4,528 residents
- 14.3 km²
- 316 people/km²
- 560 m
Key points
Among the 122 municipalities in Valais, Port-Valais ranks No. 23 by population.
Dwellings in buildings built since 2001: 44.1% in Port-Valais, compared with an average of 28.0% in Valais and 24.6% nationally.
Entities in the commercial register per 1,000 inhabitants: 107.3 in Port-Valais, compared with an average of 93.1 in Valais and 83.6 nationally.
A 1 kWp solar panel tilted at 42° generates about 1,228 kWh a year here.
Port-Valais in numbers
Where is Port-Valais?
Population of Port-Valais over time
Port-Valais had 3,899 residents in 2015 and 4,528 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,283 |
| 2021 | 4,403 |
| 2022 | 4,397 |
| 2023 | 4,485 |
| 2024 | 4,551 |
| 2025 | 4,528 |
Did you know?
- “Dwellings in buildings built since 2001”: higher than in 96% of municipalities.
- “Entities in the commercial register per 1,000 inhabitants”: higher than in 92% of municipalities.
- Its area is roughly equal to 2,010 football pitches.
- The nearest municipality is Chessel, 2.9 km away.
- The nearest more populous municipality is Montreux (27,182 residents), 8.4 km away.
- A 4 kWp rooftop solar system here would generate about 4,912 kWh a year, roughly what an average household uses.
All indicators for Port-Valais
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 | Port-Valais | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.1% | 21.2% | 20.7% | ranked 1,017 of 1,811 |
Housing
| Indicator | Port-Valais | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,220 | 284,329 | 4,927,050 | ranked 545 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 8.5% | 15.6% | 23.3% | ranked 1,667 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 44.1% | 28.0% | 25.3% | ranked 75 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 73.7% | 63.4% | 69.5% | ranked 626 of 1,806 |
Energy
| Indicator | Port-Valais | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 47.4% | 49.8% | 53.5% | ranked 1,128 of 1,806 | |
| Heat pumps as main heating (2026) | 18.4% | 12.0% | 13.7% | ranked 629 of 1,806 | |
| Wood heating systems (2026) | 7.2% | 13.0% | 12.4% | ranked 1,268 of 1,806 | |
| District heating (2026) | 0.1% | 3.4% | 1.4% | ranked 1,492 of 1,806 | |
| Photovoltaic installations (2026) | 244 | 18,204 | 329,600 | ranked 381 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 812.7 kW | 1,004 kW | 1,134 kW | ranked 1,348 of 1,806 | |
| Rooftop solar electricity potential (2026) | 31.2 GWh/year | 3,880 GWh/year | 64,783 GWh/year | ranked 644 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 6,884 kWh/inh. | 10,316 kWh/inh. | 9,356 kWh/inh. | ranked 1,406 of 1,810 |
Economy
| Indicator | Port-Valais | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 336 | 32,476 | 728,011 | ranked 437 of 2,112 | |
| Entities listed in the commercial register (2026) | 486 | 35,035 | 762,757 | ranked 300 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 107.3 | 93.1 | 64.9 | ranked 149 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.3% | 72.6% | 65.7% | ranked 748 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 28.2% | 20.9% | 29.0% | ranked 980 of 1,808 |
Employment
| Indicator | Port-Valais | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,174 | 202,116 | 5,679,518 | ranked 743 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 259.3 | 537.6 | 362.9 | ranked 1,329 of 1,810 | |
| Share of jobs in services (2024) | 74.8% | 71.1% | 63.6% | ranked 487 of 1,804 | |
| Share of jobs in industry and construction (2024) | 22.1% | 21.0% | 24.2% | ranked 978 of 1,776 |
Society
| Indicator | Port-Valais | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 31.6% | 26.5% | 18.9% | ranked 232 of 1,811 |
Sunshine and temperatures: Port-Valais
Frequently asked questions
What is the population of Port-Valais?
Port-Valais has 4,528 residents (2025), ranking 490 of 2,115 municipalities.
How big is Port-Valais?
Port-Valais covers 14.3 km², with a density of 316 people per km².
Is the population of Port-Valais growing?
Between 2015 and 2025, the population of Port-Valais went from 3,899 to 4,528, a change of +16.1%.
Where is Port-Valais?
Port-Valais is in Valais. It belongs to District de Monthey (district). Latitude 46.367, longitude 6.867.
Dwellings in buildings built since 2001: what is the figure for Port-Valais?
In Port-Valais, “Dwellings in buildings built since 2001” stands at 44.1% (2026), ranking 75 of 1,806 municipalities; the national median is 25.3%.
Entities in the commercial register per 1,000 inhabitants: what is the figure for Port-Valais?
In Port-Valais, “Entities in the commercial register per 1,000 inhabitants” stands at 107.3 (2026), ranking 149 of 1,811 municipalities; the national median is 64.9.
How much electricity does a solar panel produce in Port-Valais?
In Port-Valais, a 1 kWp south-facing system tilted at 42° produces about 1,228 kWh a year.
Which municipalities border Port-Valais?
The nearest to Port-Valais are Chessel (2.9 km), Noville (3.2 km), Rennaz (3.8 km), Vouvry (3.9 km), Roche (VD) (4.3 km).