Rossa: population and statistics
Rossa has a population of 172 (2025) across 58.9 km², or 2.9 people per km². It ranks 2,056 of 2,115 municipalities by population. Its population is growing: +17.0% between 2015 and 2025.
- 172 residents
- 58.9 km²
- 3 people/km²
- 1,089 m
Key points
Among the 100 municipalities in Grisons, Rossa ranks No. 92 by population.
A 1 kWp solar panel tilted at 36° generates about 1,116 kWh a year here.
Rossa in numbers
Where is Rossa?
Population of Rossa over time
Rossa had 147 residents in 2015 and 172 in 2025.
| Year | Population |
|---|---|
| 2020 | 151 |
| 2021 | 158 |
| 2022 | 158 |
| 2023 | 161 |
| 2024 | 168 |
| 2025 | 172 |
Did you know?
- Number 1 in Grisons for “Dwellings in buildings built before 1946”.
- “Jobs”: lower than in 99% of municipalities.
- “Photovoltaic installations”: lower than in 98% of municipalities.
- “Establishments”: lower than in 97% of municipalities.
- Its area is roughly equal to 8,246 football pitches.
- Its population density is 80.1 times lower than the national average.
- The nearest more populous municipality is Soazza (320 residents), 7.4 km away.
All indicators for Rossa
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 | Rossa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 41.3% | 24.0% | 20.7% |
Housing
| Indicator | Rossa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 412 | 191,378 | 4,927,050 | ranked 1,623 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 69.4% | 24.5% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 3.2% | 22.4% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 95.3% | 56.4% | 69.5% |
Energy
| Indicator | Rossa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 5.7% | 51.5% | 53.5% | ||
| Heat pumps as main heating (2026) | 2.2% | 11.2% | 13.7% | ||
| Wood heating systems (2026) | 50.0% | 24.0% | 12.4% | ||
| District heating (2026) | 0.0% | 3.0% | 1.4% | ||
| Photovoltaic installations (2026) | 6 | 8,359 | 329,600 | ranked 2,062 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 389.9 kW | 966.6 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 3.4 GWh/year | 2,630 GWh/year | 64,783 GWh/year | ranked 2,037 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 19,767 kWh/inh. | 12,680 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Rossa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 16 | 21,235 | 728,011 | ranked 2,050 of 2,112 | |
| Entities listed in the commercial register (2026) | 27 | 19,404 | 762,757 | ranked 1,846 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 157.0 | 93.5 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 70.4% | 66.4% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 22.2% | 26.3% | 29.0% |
Employment
| Indicator | Rossa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 27 | 142,755 | 5,679,518 | ranked 2,084 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 157.0 | 688.3 | 362.9 | ||
| Share of jobs in services (2024) | 40.7% | 70.5% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 18.5% | 23.0% | 24.2% |
Society
| Indicator | Rossa | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 8.7% | 21.2% | 18.9% |
Sunshine and temperatures: Rossa
Frequently asked questions
What is the population of Rossa?
Rossa has 172 residents (2025), ranking 2,056 of 2,115 municipalities.
How big is Rossa?
Rossa covers 58.9 km², with a density of 3 people per km².
Is the population of Rossa growing?
Between 2015 and 2025, the population of Rossa went from 147 to 172, a change of +17.0%.
Where is Rossa?
Rossa is in Grisons. It belongs to Region Moesa (district). Latitude 46.373, longitude 9.126.
Jobs: what is the figure for Rossa?
In Rossa, “Jobs” stands at 27 (2024), ranking 2,084 of 2,111 municipalities; the national median is 622.
Photovoltaic installations: what is the figure for Rossa?
In Rossa, “Photovoltaic installations” stands at 6 (2026), ranking 2,062 of 2,108 municipalities; the national median is 103.
How much electricity does a solar panel produce in Rossa?
In Rossa, a 1 kWp south-facing system tilted at 36° produces about 1,116 kWh a year.
Which municipalities border Rossa?
The nearest to Rossa are Soazza (7.4 km), Calanca (8.2 km), Mesocco (8.8 km), Lostallo (9.3 km), Buseno (11 km).