About Lengnau (AG)
Lengnau is a municipality in the district of Zurzach in the canton of Aargau in Switzerland.
- Canton
- Aargau
- Area
- 12.7 km²
Population
2'955residents
Median taxable income
CHF 74'913
Vacancy
0.00%
Foreign residents
16.3%
Jobs (FTE)
1'134
Tax multiplier
103%
Land use across the commune
Every 100 × 100 m of Lengnau (AG), coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Jobs & economy
1'134 full-time-equivalent jobs across 188 businesses — services make up 50% of employment, industry 41% (2018).
Source BFS STATENT
1'134FTE total
Primary8.6%
Secondary41.4%
Tertiary50.1%
Land use
10% built-up, 52% agricultural, 38% forest. Measured across 1'263 hectares (2018).
Source BFS Arealstatistik
Settlement10.3%
Agriculture52.0%
Forest37.7%
Water0.0%
Election Results
SVP led the 2023 National Council election with 42.4%, ahead of Mitte at 16.2%.
Source BFS
SVP42.4%+4.1 pp
Mitte16.2%
FDP13.0%+0.2 pp
SP9.8%−2.0 pp
GLP7.2%−0.3 pp
Grüne5.9%−1.3 pp
EVP2.5%+1.1 pp
Others
0.6%
2023 vs 2019
Primary / second-home mix
92.5% of dwellings are primary residences; 7.5% are second homes (2026).
Source BFS
Primary residences92.5%
Second homes7.5%
Climate data
Annual mean 7.9°C with — mm of rain. Warmest in July (16.9°C), coldest in January (-0.8°C). Station: Lägern, 845 m.
Source MeteoSchweiz
7.9°C
Annual mean
Mean 7.9°C
Sun ≈147 days
Lägern · 845 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Zürich / Fluntern has risen by +2.2°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+2.2°C
mean 1996–2025 vs. 1864–1893
Zürich / Fluntern · 556 m.a.s.l. · 1864–2025
