Triengen: population and statistics
Triengen has a population of 5,051 (2025) across 22.1 km², or 229 people per km². It ranks 431 of 2,115 municipalities by population. Its population is growing: +12.0% between 2015 and 2025.
- 5,051 residents
- 22.1 km²
- 229 people/km²
- 517 m
Key points
Among the 79 municipalities in Lucerne, Triengen ranks No. 22 by population.
Installed photovoltaic capacity per 1,000 inhabitants: 2,213 kW in Triengen, compared with an average of 1,343 kW in Lucerne and 919.4 kW nationally.
Share of jobs in industry and construction: 46.5% in Triengen, compared with an average of 24.2% in Lucerne and 22.0% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,162 kWh a year here.
Triengen in numbers
Where is Triengen?
Population of Triengen over time
Triengen had 4,511 residents in 2015 and 5,051 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,616 |
| 2021 | 4,675 |
| 2022 | 4,748 |
| 2023 | 4,811 |
| 2024 | 4,923 |
| 2025 | 5,051 |
Did you know?
- “Installed photovoltaic capacity per 1,000 inhabitants”: higher than in 91% of municipalities.
- “Share of jobs in industry and construction”: higher than in 90% of municipalities.
- Its area is roughly equal to 3,092 football pitches.
- The nearest municipality is Büron, 2.9 km away.
- The nearest more populous municipality is Sursee (11,118 residents), 7.3 km away.
- A 4 kWp rooftop solar system here would generate about 4,648 kWh a year, roughly what an average household uses.
All indicators for Triengen
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 | Triengen | Lucerne | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 17.4% | 19.4% | 20.7% | ranked 1,464 of 1,811 |
Housing
| Indicator | Triengen | Lucerne | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,316 | 219,035 | 4,927,050 | ranked 519 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 21.7% | 16.6% | 23.3% | ranked 985 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 29.7% | 29.3% | 25.3% | ranked 622 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 58.0% | 49.1% | 69.5% | ranked 1,443 of 1,806 |
Energy
| Indicator | Triengen | Lucerne | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 35.0% | 49.7% | 53.5% | ranked 1,520 of 1,806 | |
| Heat pumps as main heating (2026) | 33.5% | 25.3% | 13.7% | ranked 175 of 1,806 | |
| Wood heating systems (2026) | 25.1% | 13.2% | 12.4% | ranked 370 of 1,806 | |
| District heating (2026) | 3.4% | 6.7% | 1.4% | ranked 596 of 1,806 | |
| Photovoltaic installations (2026) | 284 | 16,268 | 329,600 | ranked 300 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,213 kW | 1,343 kW | 1,134 kW | ranked 161 of 1,806 | |
| Rooftop solar electricity potential (2026) | 58.9 GWh/year | 3,326 GWh/year | 64,783 GWh/year | ranked 249 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 11,663 kWh/inh. | 7,532 kWh/inh. | 9,356 kWh/inh. | ranked 557 of 1,810 |
Economy
| Indicator | Triengen | Lucerne | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 329 | 34,265 | 728,011 | ranked 445 of 2,112 | |
| Entities listed in the commercial register (2026) | 307 | 34,626 | 762,757 | ranked 501 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 60.8 | 78.4 | 64.9 | ranked 1,075 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 71.7% | 74.5% | 65.7% | ranked 396 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 24.1% | 20.6% | 29.0% | ranked 1,336 of 1,808 |
Employment
| Indicator | Triengen | Lucerne | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,694 | 273,970 | 5,679,518 | ranked 362 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 533.4 | 620.6 | 362.9 | ranked 425 of 1,810 | |
| Share of jobs in services (2024) | 44.2% | 69.3% | 63.6% | ranked 1,500 of 1,804 | |
| Share of jobs in industry and construction (2024) | 46.5% | 24.2% | 24.2% | ranked 175 of 1,776 |
Society
| Indicator | Triengen | Lucerne | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 27.2% | 21.9% | 18.9% | ranked 423 of 1,811 |
Sunshine and temperatures: Triengen
Frequently asked questions
What is the population of Triengen?
Triengen has 5,051 residents (2025), ranking 431 of 2,115 municipalities.
How big is Triengen?
Triengen covers 22.1 km², with a density of 229 people per km².
Is the population of Triengen growing?
Between 2015 and 2025, the population of Triengen went from 4,511 to 5,051, a change of +12.0%.
Where is Triengen?
Triengen is in Lucerne. It belongs to Wahlkreis Sursee (district). Latitude 47.236, longitude 8.076.
Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Triengen?
In Triengen, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 2,213 kW (2026), ranking 161 of 1,806 municipalities; the national median is 1,134 kW.
Share of jobs in industry and construction: what is the figure for Triengen?
In Triengen, “Share of jobs in industry and construction” stands at 46.5% (2024), ranking 175 of 1,776 municipalities; the national median is 24.2%.
How much electricity does a solar panel produce in Triengen?
In Triengen, a 1 kWp south-facing system tilted at 37° produces about 1,162 kWh a year.
Which municipalities border Triengen?
The nearest to Triengen are Büron (2.9 km), Schlierbach (3.0 km), Reitnau (3.0 km), Moosleerau (3.8 km), Knutwil (4.0 km).