Arosa: population and statistics
Arosa has a population of 3,144 (2025) across 154.8 km², or 20.3 people per km². It ranks 697 of 2,115 municipalities by population. Its population is falling: −1.9% between 2015 and 2025.
- 3,144 residents
- 154.8 km²
- 20 people/km²
- 1,740 m
Key points
Among the 100 municipalities in Grisons, Arosa ranks No. 15 by population.
Rooftop solar potential per inhabitant: 22,083 kWh/inh. in Arosa, compared with an average of 12,680 kWh/inh. in Grisons and 7,100 kWh/inh. nationally.
Jobs per 1,000 inhabitants: 937.7 in Arosa, compared with an average of 688.3 in Grisons and 622.5 nationally.
A 1 kWp solar panel tilted at 38° generates about 1,247 kWh a year here.
Arosa in numbers
Where is Arosa?
Population of Arosa over time
Arosa had 3,205 residents in 2015 and 3,144 in 2025.
| Year | Population |
|---|---|
| 2020 | 3,162 |
| 2021 | 3,101 |
| 2022 | 3,061 |
| 2023 | 3,143 |
| 2024 | 3,159 |
| 2025 | 3,144 |
Did you know?
- “Rooftop solar potential per inhabitant”: higher than in 97% of municipalities.
- “Jobs per 1,000 inhabitants”: higher than in 95% of municipalities.
- “Entities in the commercial register per 1,000 inhabitants”: higher than in 95% of municipalities.
- Its area is roughly equal to 21,679 football pitches.
- Its population density is 11.4 times lower than the national average.
- The nearest municipality is Churwalden, 10.6 km away.
- The nearest more populous municipality is Davos (10,738 residents), 12 km away.
All indicators for Arosa
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 | Arosa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 26.7% | 24.0% | 20.7% | ranked 155 of 1,811 |
Housing
| Indicator | Arosa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 6,149 | 191,378 | 4,927,050 | ranked 141 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 25.0% | 24.5% | 23.3% | ranked 797 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 15.2% | 22.4% | 25.3% | ranked 1,511 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 59.8% | 56.4% | 69.5% | ranked 1,368 of 1,806 |
Energy
| Indicator | Arosa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 36.3% | 51.5% | 53.5% | ranked 1,483 of 1,806 | |
| Heat pumps as main heating (2026) | 4.3% | 11.2% | 13.7% | ranked 1,705 of 1,806 | |
| Wood heating systems (2026) | 46.0% | 24.0% | 12.4% | ranked 88 of 1,806 | |
| District heating (2026) | 0.6% | 3.0% | 1.4% | ranked 1,183 of 1,806 | |
| Photovoltaic installations (2026) | 103 | 8,359 | 329,600 | ranked 1,054 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 561.8 kW | 966.6 kW | 1,134 kW | ranked 1,614 of 1,806 | |
| Rooftop solar electricity potential (2026) | 69.4 GWh/year | 2,630 GWh/year | 64,783 GWh/year | ranked 182 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 22,083 kWh/inh. | 12,680 kWh/inh. | 9,356 kWh/inh. | ranked 58 of 1,810 |
Economy
| Indicator | Arosa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 424 | 21,235 | 728,011 | ranked 331 of 2,112 | |
| Entities listed in the commercial register (2026) | 405 | 19,404 | 762,757 | ranked 369 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 128.8 | 93.5 | 64.9 | ranked 84 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 68.9% | 66.4% | 65.7% | ranked 603 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 24.4% | 26.3% | 29.0% | ranked 1,319 of 1,808 |
Employment
| Indicator | Arosa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,948 | 142,755 | 5,679,518 | ranked 334 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 937.7 | 688.3 | 362.9 | ranked 93 of 1,810 | |
| Share of jobs in services (2024) | 86.3% | 70.5% | 63.6% | ranked 156 of 1,804 | |
| Share of jobs in industry and construction (2024) | 9.1% | 23.0% | 24.2% | ranked 1,599 of 1,776 |
Society
| Indicator | Arosa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 26.8% | 21.2% | 18.9% | ranked 441 of 1,811 |
Sunshine and temperatures: Arosa
Frequently asked questions
What is the population of Arosa?
Arosa has 3,144 residents (2025), ranking 697 of 2,115 municipalities.
How big is Arosa?
Arosa covers 154.8 km², with a density of 20 people per km².
Is the population of Arosa growing?
Between 2015 and 2025, the population of Arosa went from 3,205 to 3,144, a change of −1.9%.
Where is Arosa?
Arosa is in Grisons. It belongs to Region Plessur (district). Latitude 46.783, longitude 9.683.
Rooftop solar potential per inhabitant: what is the figure for Arosa?
In Arosa, “Rooftop solar potential per inhabitant” stands at 22,083 kWh/inh. (2026), ranking 58 of 1,810 municipalities; the national median is 9,356 kWh/inh..
Jobs per 1,000 inhabitants: what is the figure for Arosa?
In Arosa, “Jobs per 1,000 inhabitants” stands at 937.7 (2024), ranking 93 of 1,810 municipalities; the national median is 362.9.
How much electricity does a solar panel produce in Arosa?
In Arosa, a 1 kWp south-facing system tilted at 38° produces about 1,247 kWh a year.
Which municipalities border Arosa?
The nearest to Arosa are Churwalden (11 km), Schmitten (GR) (11 km), Davos (12 km), Fideris (12 km), Vaz/Obervaz (13 km).