Massongex: population and statistics
Massongex has a population of 2,149 (2025) across 6.6 km², or 324 people per km². It ranks 929 of 2,115 municipalities by population. Its population is growing: +20.3% between 2015 and 2025.
- 2,149 residents
- 6.6 km²
- 324 people/km²
- 397 m
Key points
Among the 122 municipalities in Valais, Massongex ranks No. 43 by population.
District heating: 0.0% in Massongex, compared with an average of 3.4% in Valais and 7.3% nationally.
Share of people aged 65 and over: 15.1% in Massongex, compared with an average of 21.2% in Valais and 19.8% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,291 kWh a year here.
Massongex in numbers
Where is Massongex?
Population of Massongex over time
Massongex had 1,787 residents in 2015 and 2,149 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,923 |
| 2021 | 1,958 |
| 2022 | 1,984 |
| 2023 | 2,044 |
| 2024 | 2,126 |
| 2025 | 2,149 |
Did you know?
- “District heating”: lower than in 99% of municipalities.
- “Share of people aged 65 and over”: lower than in 94% of municipalities.
- “Jobs per 1,000 inhabitants”: lower than in 90% of municipalities.
- Its area is roughly equal to 929 football pitches.
- The nearest more populous municipality is Monthey (19,351 residents), 2.6 km away.
- A 4 kWp rooftop solar system here would generate about 5,164 kWh a year, roughly what an average household uses.
All indicators for Massongex
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 | Massongex | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 15.1% | 21.2% | 20.7% | ranked 1,707 of 1,811 |
Housing
| Indicator | Massongex | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 990 | 284,329 | 4,927,050 | ranked 1,054 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 16.8% | 15.6% | 23.3% | ranked 1,257 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 34.2% | 28.0% | 25.3% | ranked 368 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 69.8% | 63.4% | 69.5% | ranked 893 of 1,806 |
Energy
| Indicator | Massongex | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 46.1% | 49.8% | 53.5% | ranked 1,172 of 1,806 | |
| Heat pumps as main heating (2026) | 27.8% | 12.0% | 13.7% | ranked 295 of 1,806 | |
| Wood heating systems (2026) | 10.3% | 13.0% | 12.4% | ranked 1,034 of 1,806 | |
| District heating (2026) | 0.0% | 3.4% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 112 | 18,204 | 329,600 | ranked 979 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,868 kW | 1,004 kW | 1,134 kW | ranked 277 of 1,806 | |
| Rooftop solar electricity potential (2026) | 15.2 GWh/year | 3,880 GWh/year | 64,783 GWh/year | ranked 1,234 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 7,078 kWh/inh. | 10,316 kWh/inh. | 9,356 kWh/inh. | ranked 1,370 of 1,810 |
Economy
| Indicator | Massongex | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 124 | 32,476 | 728,011 | ranked 1,098 of 2,112 | |
| Entities listed in the commercial register (2026) | 134 | 35,035 | 762,757 | ranked 983 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 62.4 | 93.1 | 64.9 | ranked 1,002 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 63.4% | 72.6% | 65.7% | ranked 1,112 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 28.4% | 20.9% | 29.0% | ranked 957 of 1,808 |
Employment
| Indicator | Massongex | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 390 | 202,116 | 5,679,518 | ranked 1,299 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 181.5 | 537.6 | 362.9 | ranked 1,626 of 1,810 | |
| Share of jobs in services (2024) | 68.7% | 71.1% | 63.6% | ranked 705 of 1,804 | |
| Share of jobs in industry and construction (2024) | 23.3% | 21.0% | 24.2% | ranked 923 of 1,776 |
Society
| Indicator | Massongex | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 23.8% | 26.5% | 18.9% | ranked 577 of 1,811 |
Sunshine and temperatures: Massongex
Frequently asked questions
What is the population of Massongex?
Massongex has 2,149 residents (2025), ranking 929 of 2,115 municipalities.
How big is Massongex?
Massongex covers 6.6 km², with a density of 324 people per km².
Is the population of Massongex growing?
Between 2015 and 2025, the population of Massongex went from 1,787 to 2,149, a change of +20.3%.
Where is Massongex?
Massongex is in Valais. It belongs to District de Saint-Maurice (district). Latitude 46.250, longitude 6.983.
District heating: what is the figure for Massongex?
In Massongex, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
Share of people aged 65 and over: what is the figure for Massongex?
In Massongex, “Share of people aged 65 and over” stands at 15.1% (2025), ranking 1,707 of 1,811 municipalities; the national median is 20.7%.
How much electricity does a solar panel produce in Massongex?
In Massongex, a 1 kWp south-facing system tilted at 39° produces about 1,291 kWh a year.
Which municipalities border Massongex?
The nearest to Massongex are Monthey (2.6 km), Bex (2.6 km), Collombey-Muraz (3.2 km), Vérossaz (3.7 km), Saint-Maurice (3.8 km).