About Boniswil
Boniswil is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland.
- Canton
- Aargau
- Area
- 2.8 km²
Population
1'770residents
Median taxable income
CHF 66'667
Vacancy
0.45%
Foreign residents
18.9%
Dwellings
889
Jobs (FTE)
191
Tax multiplier
105%
Land use across the commune
Every 100 × 100 m of Boniswil, 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
191 full-time-equivalent jobs across 84 businesses — services make up 61% of employment, industry 36% (2018).
Source BFS STATENT
191FTE total
Primary3.7%
Secondary35.6%
Tertiary60.7%
Land use
24% built-up, 54% agricultural, 9% forest. Measured across 237 hectares (2018).
Source BFS Arealstatistik
Settlement28.0%
Agriculture61.8%
Forest10.1%
Water0.0%
Election Results
SVP led the 2023 National Council election with 42.9%, ahead of FDP at 12.4%.
Source BFS
SVP42.9%+4.9 pp
FDP12.4%+1.6 pp
SP11.1%−4.8 pp
GLP8.9%−0.9 pp
Mitte8.7%
Grüne7.3%−3.7 pp
EVP5.1%+2.1 pp
Others
0.6%
2023 vs 2019
Primary / second-home mix
91.3% of dwellings are primary residences; 8.7% are second homes (2026).
Source BFS
Primary residences91.3%
Second homes8.7%
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
