About Triengen
Triengen is a municipality in the district of Sursee in the canton of Lucerne in Switzerland.
- Canton
- Lucerne
- Area
- 22.1 km²
Population
4'923residents
Median taxable income
CHF 63'203
Vacancy
1.26%
Foreign residents
28.1%
Dwellings
2'222
Jobs (FTE)
3'331
Tax multiplier
210%
Land use across the commune
Every 100 × 100 m of Triengen, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Land use
12% built-up, 63% agricultural, 25% forest. Measured across 2'208 hectares (2018).
Source BFS Arealstatistik
Settlement11.6%
Agriculture63.3%
Forest25.1%
Water0.0%
Election Results
Mitte led the 2023 National Council election with 32.5%, ahead of SVP at 27.3%.
Source BFS
Mitte32.5%
SVP27.3%+2.0 pp
FDP16.7%+0.3 pp
SP8.8%−0.6 pp
Grüne6.3%−4.0 pp
GLP5.8%−0.4 pp
EVP0.5%−0.3 pp
Others
0.1%
2023 vs 2019
Primary / second-home mix
87.6% of dwellings are primary residences; 12.4% are second homes (2026).
Source BFS
Primary residences87.6%
Second homes12.4%
Climate data
Annual mean 10.0°C with 920 mm of rain. Warmest in July (19.4°C), coldest in January (1.2°C). Station: Buchs / Aarau, 387 m.
Source MeteoSchweiz
10.0°C
Annual mean
Mean 10.0°C
Rain 920 mm
Sun ≈127 days
Buchs / Aarau · 387 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Luzern has risen by +2.4°C between the first 30 observed years (1871–1900) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+2.4°C
mean 1996–2025 vs. 1871–1900
Luzern · 454 m.a.s.l. · 1871–2025
