Trun: population and statistics
Trun has a population of 1,136 (2025) across 43.1 km², or 26.4 people per km². It ranks 1,366 of 2,115 municipalities by population. Its population is falling: −5.5% between 2015 and 2025.
- 1,136 residents
- 43.1 km²
- 26 people/km²
- 868 m
Key points
Among the 100 municipalities in Grisons, Trun ranks No. 50 by population.
Wood heating systems: 60.6% in Trun, compared with an average of 24.0% in Grisons and 9.3% nationally.
Dwellings in buildings built since 2001: 5.9% in Trun, compared with an average of 22.4% in Grisons and 24.6% nationally.
A 1 kWp solar panel tilted at 36° generates about 1,200 kWh a year here.
Trun in numbers
Where is Trun?
Population of Trun over time
Trun had 1,202 residents in 2015 and 1,136 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,161 |
| 2021 | 1,163 |
| 2022 | 1,152 |
| 2023 | 1,154 |
| 2024 | 1,141 |
| 2025 | 1,136 |
Did you know?
- “Wood heating systems”: higher than in 99% of municipalities.
- “Dwellings in buildings built since 2001”: lower than in 98% of municipalities.
- “Share of people aged 65 and over”: higher than in 95% of municipalities.
- Its area is roughly equal to 6,032 football pitches.
- Its population density is 8.8 times lower than the national average.
- The nearest municipality is Sumvitg, 4.8 km away.
- The nearest more populous municipality is Breil/Brigels (1,738 residents), 5.7 km away.
All indicators for Trun
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 | Trun | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 28.2% | 24.0% | 20.7% | ranked 94 of 1,811 |
Housing
| Indicator | Trun | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,051 | 191,378 | 4,927,050 | ranked 1,007 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 54.2% | 24.5% | 23.3% | ranked 76 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 5.9% | 22.4% | 25.3% | ranked 1,768 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 63.3% | 56.4% | 69.5% | ranked 1,233 of 1,806 |
Energy
| Indicator | Trun | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 25.9% | 51.5% | 53.5% | ranked 1,694 of 1,806 | |
| Heat pumps as main heating (2026) | 8.2% | 11.2% | 13.7% | ranked 1,387 of 1,806 | |
| Wood heating systems (2026) | 60.6% | 24.0% | 12.4% | ranked 24 of 1,806 | |
| District heating (2026) | 0.4% | 3.0% | 1.4% | ranked 1,329 of 1,806 | |
| Photovoltaic installations (2026) | 68 | 8,359 | 329,600 | ranked 1,368 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,005 kW | 966.6 kW | 1,134 kW | ranked 222 of 1,806 | |
| Rooftop solar electricity potential (2026) | 24.7 GWh/year | 2,630 GWh/year | 64,783 GWh/year | ranked 848 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 21,761 kWh/inh. | 12,680 kWh/inh. | 9,356 kWh/inh. | ranked 61 of 1,810 |
Economy
| Indicator | Trun | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 117 | 21,235 | 728,011 | ranked 1,138 of 2,112 | |
| Entities listed in the commercial register (2026) | 79 | 19,404 | 762,757 | ranked 1,317 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 69.5 | 93.5 | 64.9 | ranked 728 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 69.6% | 66.4% | 65.7% | ranked 549 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 25.3% | 26.3% | 29.0% | ranked 1,234 of 1,808 |
Employment
| Indicator | Trun | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 679 | 142,755 | 5,679,518 | ranked 1,019 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 597.7 | 688.3 | 362.9 | ranked 322 of 1,810 | |
| Share of jobs in services (2024) | 71.1% | 70.5% | 63.6% | ranked 625 of 1,804 | |
| Share of jobs in industry and construction (2024) | 17.5% | 23.0% | 24.2% | ranked 1,222 of 1,776 |
Society
| Indicator | Trun | Grisons | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 13.3% | 21.2% | 18.9% | ranked 1,312 of 1,811 |
Sunshine and temperatures: Trun
Frequently asked questions
What is the population of Trun?
Trun has 1,136 residents (2025), ranking 1,366 of 2,115 municipalities.
How big is Trun?
Trun covers 43.1 km², with a density of 26 people per km².
Is the population of Trun growing?
Between 2015 and 2025, the population of Trun went from 1,202 to 1,136, a change of −5.5%.
Where is Trun?
Trun is in Grisons. It belongs to Region Surselva (district). Latitude 46.743, longitude 8.983.
Wood heating systems: what is the figure for Trun?
In Trun, “Wood heating systems” stands at 60.6% (2026), ranking 24 of 1,806 municipalities; the national median is 12.4%.
Dwellings in buildings built since 2001: what is the figure for Trun?
In Trun, “Dwellings in buildings built since 2001” stands at 5.9% (2026), ranking 1,768 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Trun?
In Trun, a 1 kWp south-facing system tilted at 36° produces about 1,200 kWh a year.
Which municipalities border Trun?
The nearest to Trun are Sumvitg (4.8 km), Breil/Brigels (5.7 km), Obersaxen Mundaun (8.6 km), Disentis/Mustér (10 km), Lumnezia (16 km).