Unterbäch: population and statistics
Unterbäch has a population of 483 (2025) across 22.1 km², or 21.9 people per km². It ranks 1,828 of 2,115 municipalities by population. Its population is growing: +17.5% between 2015 and 2025.
- 483 residents
- 22.1 km²
- 22 people/km²
- 1,771 m
Key points
Among the 122 municipalities in Valais, Unterbäch ranks No. 93 by population.
A 1 kWp solar panel tilted at 35° generates about 1,224 kWh a year here.
Unterbäch in numbers
Where is Unterbäch?
Population of Unterbäch over time
Unterbäch had 411 residents in 2015 and 483 in 2025.
| Year | Population |
|---|---|
| 2020 | 444 |
| 2021 | 478 |
| 2022 | 485 |
| 2023 | 483 |
| 2024 | 479 |
| 2025 | 483 |
Did you know?
- Its area is roughly equal to 3,094 football pitches.
- Its population density is 10.6 times lower than the national average.
- The nearest municipality is Eischoll, 1.3 km away.
- The nearest more populous municipality is Steg-Hohtenn (1,768 residents), 1.9 km away.
- A 4 kWp rooftop solar system here would generate about 4,896 kWh a year, roughly what an average household uses.
All indicators for Unterbäch
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 | Unterbäch | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 28.6% | 21.2% | 20.7% |
Housing
| Indicator | Unterbäch | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 664 | 284,329 | 4,927,050 | ranked 1,317 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 19.6% | 15.6% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 7.1% | 28.0% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 70.8% | 63.4% | 69.5% |
Energy
| Indicator | Unterbäch | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 23.7% | 49.8% | 53.5% | ||
| Heat pumps as main heating (2026) | 6.7% | 12.0% | 13.7% | ||
| Wood heating systems (2026) | 23.7% | 13.0% | 12.4% | ||
| District heating (2026) | 1.7% | 3.4% | 1.4% | ||
| Photovoltaic installations (2026) | 53 | 18,204 | 329,600 | ranked 1,529 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,054 kW | 1,004 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 10.3 GWh/year | 3,880 GWh/year | 64,783 GWh/year | ranked 1,536 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 21,304 kWh/inh. | 10,316 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Unterbäch | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 50 | 32,476 | 728,011 | ranked 1,694 of 2,112 | |
| Entities listed in the commercial register (2026) | 38 | 35,035 | 762,757 | ranked 1,713 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 78.7 | 93.1 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 73.7% | 72.6% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 26.3% | 20.9% | 29.0% |
Employment
| Indicator | Unterbäch | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 162 | 202,116 | 5,679,518 | ranked 1,719 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 335.4 | 537.6 | 362.9 | ||
| Share of jobs in services (2024) | 67.9% | 71.1% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 8.6% | 21.0% | 24.2% |
Society
| Indicator | Unterbäch | Valais | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 11.6% | 26.5% | 18.9% |
Sunshine and temperatures: Unterbäch
Frequently asked questions
What is the population of Unterbäch?
Unterbäch has 483 residents (2025), ranking 1,828 of 2,115 municipalities.
How big is Unterbäch?
Unterbäch covers 22.1 km², with a density of 22 people per km².
Is the population of Unterbäch growing?
Between 2015 and 2025, the population of Unterbäch went from 411 to 483, a change of +17.5%.
Where is Unterbäch?
Unterbäch is in Valais. It belongs to Bezirk Raron (district). Latitude 46.267, longitude 7.783.
Entities listed in the commercial register: what is the figure for Unterbäch?
In Unterbäch, “Entities listed in the commercial register” stands at 38 (2026), ranking 1,713 of 2,115 municipalities; the national median is 118.
Jobs: what is the figure for Unterbäch?
In Unterbäch, “Jobs” stands at 162 (2024), ranking 1,719 of 2,111 municipalities; the national median is 622.
How much electricity does a solar panel produce in Unterbäch?
In Unterbäch, a 1 kWp south-facing system tilted at 35° produces about 1,224 kWh a year.
Which municipalities border Unterbäch?
The nearest to Unterbäch are Eischoll (1.3 km), Steg-Hohtenn (1.9 km), Bürchen (2.6 km), Zeneggen (3.8 km), Raron (5.0 km).