About Bözen
Bözen is a village in the Swiss canton of Aargau. It lies to the west of the Bözberg in the upper Frick valley. Until December 31, 2021, Bözen was an independent municipality in the district of Brugg, since then it has been one of four villages in the newly created municipality of Böztal in the district of Laufenburg.
- Canton
- Aargau
- Area
- 22.3 km²
Population
2'940residents
Median taxable income
CHF 69'061
Vacancy
0.79%
Foreign residents
20.4%
Dwellings
1'392
Tax multiplier
114%
Land use across the commune
Every 100 × 100 m of Bözen, 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
10% built-up, 48% agricultural, 41% forest. Measured across 2'231 hectares (2018).
Source BFS Arealstatistik
Settlement10.2%
Agriculture48.6%
Forest41.3%
Water0.0%
Election Results
SVP led the 2023 National Council election with 50.4%, ahead of SP at 13.8%.
Source BFS
SVP50.4%+6.0 pp
SP13.8%+0.1 pp
Mitte10.9%
FDP6.6%−0.8 pp
GLP6.3%−1.2 pp
Grüne5.3%−1.6 pp
EVP2.7%+0.3 pp
Others
1.3%
2023 vs 2019
Primary / second-home mix
86.6% of dwellings are primary residences; 13.4% are second homes (2026).
Source BFS
Primary residences86.6%
Second homes13.4%
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 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
