Saint-Martin (VS): population and statistics
Saint-Martin (VS) has a population of 841 (2025) across 9.8 km², or 85.8 people per km². It ranks 1,562 of 2,115 municipalities by population. Its population is falling: −3.9% between 2015 and 2025.
- 841 residents
- 9.8 km²
- 86 people/km²
- 920 m
Key points
Among the 122 municipalities in Valais, Saint-Martin (VS) ranks No. 76 by population.
Oil or gas heating systems: 9.7% in Saint-Martin (VS), compared with an average of 49.8% in Valais and 61.7% nationally.
Share of people aged 65 and over: 34.2% in Saint-Martin (VS), compared with an average of 21.2% in Valais and 19.8% nationally.
A 1 kWp solar panel tilted at 35° generates about 1,164 kWh a year here.
Saint-Martin (VS) in numbers
Where is Saint-Martin (VS)?
Population of Saint-Martin (VS) over time
Saint-Martin (VS) had 875 residents in 2015 and 841 in 2025.
| Year | Population |
|---|---|
| 2020 | 842 |
| 2021 | 837 |
| 2022 | 832 |
| 2023 | 841 |
| 2024 | 853 |
| 2025 | 841 |
Did you know?
- “Oil or gas heating systems”: lower than in 99% of municipalities.
- “Share of people aged 65 and over”: higher than in 99% of municipalities.
- “Dwellings in buildings built since 2001”: lower than in 96% of municipalities.
- Its area is roughly equal to 1,373 football pitches.
- Its population density is 2.7 times lower than the national average.
- The nearest more populous municipality is Hérémence (1,553 residents), 3.2 km away.
- A 4 kWp rooftop solar system here would generate about 4,656 kWh a year, roughly what an average household uses.
All indicators for Saint-Martin (VS)
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 | Saint-Martin (VS) | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 34.2% | 21.2% | 20.7% | ranked 16 of 1,811 |
Housing
| Indicator | Saint-Martin (VS) | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,218 | 284,329 | 4,927,050 | ranked 920 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 28.5% | 15.6% | 23.3% | ranked 645 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 8.1% | 28.0% | 25.3% | ranked 1,732 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 74.8% | 63.4% | 69.5% | ranked 549 of 1,806 |
Energy
| Indicator | Saint-Martin (VS) | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 9.7% | 49.8% | 53.5% | ranked 1,802 of 1,806 | |
| Heat pumps as main heating (2026) | 4.7% | 12.0% | 13.7% | ranked 1,678 of 1,806 | |
| Wood heating systems (2026) | 55.1% | 13.0% | 12.4% | ranked 38 of 1,806 | |
| District heating (2026) | 9.1% | 3.4% | 1.4% | ranked 266 of 1,806 | |
| Photovoltaic installations (2026) | 101 | 18,204 | 329,600 | ranked 1,073 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,342 kW | 1,004 kW | 1,134 kW | ranked 669 of 1,806 | |
| Rooftop solar electricity potential (2026) | 15.1 GWh/year | 3,880 GWh/year | 64,783 GWh/year | ranked 1,237 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 18,002 kWh/inh. | 10,316 kWh/inh. | 9,356 kWh/inh. | ranked 130 of 1,810 |
Economy
| Indicator | Saint-Martin (VS) | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 62 | 32,476 | 728,011 | ranked 1,581 of 2,112 | |
| Entities listed in the commercial register (2026) | 50 | 35,035 | 762,757 | ranked 1,585 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 59.5 | 93.1 | 64.9 | ranked 1,136 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 74.0% | 72.6% | 65.7% | ranked 246 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 18.0% | 20.9% | 29.0% | ranked 1,676 of 1,808 |
Employment
| Indicator | Saint-Martin (VS) | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 218 | 202,116 | 5,679,518 | ranked 1,579 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 259.2 | 537.6 | 362.9 | ranked 1,331 of 1,810 | |
| Share of jobs in services (2024) | 57.8% | 71.1% | 63.6% | ranked 1,101 of 1,804 | |
| Share of jobs in industry and construction (2024) | 32.6% | 21.0% | 24.2% | ranked 532 of 1,776 |
Society
| Indicator | Saint-Martin (VS) | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 8.3% | 26.5% | 18.9% | ranked 1,628 of 1,811 |
Sunshine and temperatures: Saint-Martin (VS)
Frequently asked questions
What is the population of Saint-Martin (VS)?
Saint-Martin (VS) has 841 residents (2025), ranking 1,562 of 2,115 municipalities.
How big is Saint-Martin (VS)?
Saint-Martin (VS) covers 9.8 km², with a density of 86 people per km².
Is the population of Saint-Martin (VS) growing?
Between 2015 and 2025, the population of Saint-Martin (VS) went from 875 to 841, a change of −3.9%.
Where is Saint-Martin (VS)?
Saint-Martin (VS) is in Valais. It belongs to District d'Hérens (district). Latitude 46.167, longitude 7.433.
Oil or gas heating systems: what is the figure for Saint-Martin (VS)?
In Saint-Martin (VS), “Oil or gas heating systems” stands at 9.7% (2026), ranking 1,802 of 1,806 municipalities; the national median is 53.5%.
Share of people aged 65 and over: what is the figure for Saint-Martin (VS)?
In Saint-Martin (VS), “Share of people aged 65 and over” stands at 34.2% (2025), ranking 16 of 1,811 municipalities; the national median is 20.7%.
How much electricity does a solar panel produce in Saint-Martin (VS)?
In Saint-Martin (VS), a 1 kWp south-facing system tilted at 35° produces about 1,164 kWh a year.
Which municipalities border Saint-Martin (VS)?
The nearest to Saint-Martin (VS) are Hérémence (3.2 km), Vex (6.1 km), Mont-Noble (7.1 km), Evolène (7.7 km), Veysonnaz (8.1 km).