Trogen: population and statistics
Trogen has a population of 1,905 (2025) across 10.0 km², or 190 people per km². It ranks 1,000 of 2,115 municipalities by population. Its population is growing: +11.8% between 2015 and 2025.
- 1,905 residents
- 10.0 km²
- 190 people/km²
- 902 m
Key points
Among the 20 municipalities in Appenzell Ausserrhoden, Trogen ranks No. 11 by population.
Dwellings in buildings built before 1946: 57.0% in Trogen, compared with an average of 42.4% in Appenzell Ausserrhoden and 22.4% nationally.
District heating: 20.8% in Trogen, compared with an average of 3.9% in Appenzell Ausserrhoden and 7.3% nationally.
A 1 kWp solar panel tilted at 38° generates about 1,122 kWh a year here.
Trogen in numbers
Where is Trogen?
Population of Trogen over time
Trogen had 1,704 residents in 2015 and 1,905 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,822 |
| 2021 | 1,867 |
| 2022 | 1,845 |
| 2023 | 1,862 |
| 2024 | 1,877 |
| 2025 | 1,905 |
Did you know?
- Number 1 in Appenzell Ausserrhoden for “District heating”.
- “Dwellings in buildings built before 1946”: higher than in 97% of municipalities.
- “District heating”: higher than in 97% of municipalities.
- Its area is roughly equal to 1,403 football pitches.
- The nearest more populous municipality is Speicher (4,505 residents), 1.6 km away.
- A 4 kWp rooftop solar system here would generate about 4,488 kWh a year, roughly what an average household uses.
All indicators for Trogen
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 | Trogen | Appenzell Ausserrhoden | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 23.9% | 22.2% | 20.7% | ranked 411 of 1,811 |
Housing
| Indicator | Trogen | Appenzell Ausserrhoden | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,020 | 30,688 | 4,927,050 | ranked 1,034 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 57.0% | 42.4% | 23.3% | ranked 54 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 14.1% | 17.2% | 25.3% | ranked 1,561 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 73.9% | 70.0% | 69.5% | ranked 617 of 1,806 |
Energy
| Indicator | Trogen | Appenzell Ausserrhoden | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 22.9% | 57.6% | 53.5% | ranked 1,723 of 1,806 | |
| Heat pumps as main heating (2026) | 13.5% | 9.6% | 13.7% | ranked 912 of 1,806 | |
| Wood heating systems (2026) | 38.8% | 24.8% | 12.4% | ranked 133 of 1,806 | |
| District heating (2026) | 20.8% | 3.9% | 1.4% | ranked 64 of 1,806 | |
| Photovoltaic installations (2026) | 157 | 3,749 | 329,600 | ranked 695 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,512 kW | 1,459 kW | 1,134 kW | ranked 517 of 1,806 | |
| Rooftop solar electricity potential (2026) | 14.5 GWh/year | 428.0 GWh/year | 64,783 GWh/year | ranked 1,265 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 7,627 kWh/inh. | 7,480 kWh/inh. | 9,356 kWh/inh. | ranked 1,255 of 1,810 |
Economy
| Indicator | Trogen | Appenzell Ausserrhoden | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 183 | 4,973 | 728,011 | ranked 829 of 2,112 | |
| Entities listed in the commercial register (2026) | 146 | 5,736 | 762,757 | ranked 936 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 76.6 | 100.2 | 64.9 | ranked 523 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 64.4% | 74.8% | 65.7% | ranked 1,017 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 26.0% | 20.8% | 29.0% | ranked 1,169 of 1,808 |
Employment
| Indicator | Trogen | Appenzell Ausserrhoden | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,008 | 28,993 | 5,679,518 | ranked 817 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 529.1 | 506.7 | 362.9 | ranked 433 of 1,810 | |
| Share of jobs in services (2024) | 78.4% | 68.9% | 63.6% | ranked 372 of 1,804 | |
| Share of jobs in industry and construction (2024) | 16.2% | 24.5% | 24.2% | ranked 1,287 of 1,776 |
Society
| Indicator | Trogen | Appenzell Ausserrhoden | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 14.4% | 18.2% | 18.9% | ranked 1,237 of 1,811 |
Sunshine and temperatures: Trogen
Frequently asked questions
What is the population of Trogen?
Trogen has 1,905 residents (2025), ranking 1,000 of 2,115 municipalities.
How big is Trogen?
Trogen covers 10.0 km², with a density of 190 people per km².
Is the population of Trogen growing?
Between 2015 and 2025, the population of Trogen went from 1,704 to 1,905, a change of +11.8%.
Where is Trogen?
Trogen is in Appenzell Ausserrhoden. It belongs to Bezirk Mittelland (district). Latitude 47.407, longitude 9.465.
Dwellings in buildings built before 1946: what is the figure for Trogen?
In Trogen, “Dwellings in buildings built before 1946” stands at 57.0% (2026), ranking 54 of 1,806 municipalities; the national median is 23.3%.
District heating: what is the figure for Trogen?
In Trogen, “District heating” stands at 20.8% (2026), ranking 64 of 1,806 municipalities; the national median is 1.4%.
How much electricity does a solar panel produce in Trogen?
In Trogen, a 1 kWp south-facing system tilted at 38° produces about 1,122 kWh a year.
Which municipalities border Trogen?
The nearest to Trogen are Speicher (1.6 km), Wald (AR) (2.1 km), Rehetobel (2.6 km), Eggersriet (4.7 km), Bühler (5.1 km).