About Lenzburg
Lenzburg is a town in the central region of the Swiss canton of Aargau and is the capital of the Lenzburg District. The town, founded in the Middle Ages, lies in the Seetal valley, about 3 kilometres south of the Aare river. Lenzburg and the neighbouring municipalities of Niederlenz and Staufen have grown together in an agglomeration.
- Canton
- Aargau
- Area
- 11.3 km²
Population
11'314residents
Median taxable income
CHF 67'536
Vacancy
0.40%
Foreign residents
30.5%
Dwellings
5'750
Jobs (FTE)
9'767
Tax multiplier
105%
Land use across the commune
Every 100 × 100 m of Lenzburg, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
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Jobs & economy
9'767 full-time-equivalent jobs across 951 businesses — services make up 75% of employment, industry 25% (2018).
Source BFS STATENT
9'767FTE total
Primary0.2%
Secondary24.8%
Tertiary74.9%
Land use
32% built-up, 19% agricultural, 49% forest. Measured across 1'135 hectares (2018).
Source BFS Arealstatistik
Settlement32.0%
Agriculture18.8%
Forest49.2%
Water0.0%
Election Results
SP led the 2023 National Council election with 23.9%, ahead of SVP at 20.7%.
Source BFS
SP23.9%+2.2 pp
SVP20.7%+2.7 pp
FDP17.3%−0.8 pp
GLP12.5%−0.2 pp
Mitte9.7%
Grüne9.4%−2.6 pp
EVP3.4%−0.4 pp
Others
0.5%
2023 vs 2019
Primary / second-home mix
91.4% of dwellings are primary residences; 8.6% are second homes (2026).
Source BFS
Primary residences91.4%
Second homes8.6%
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
