About 4303 Kaiseraugst
Kaiseraugst is a municipality in the district of Rheinfelden in the canton of Aargau in Switzerland. Located on the High Rhine, it is part of the Basel metropolitan region and borders Germany and the canton of Basel-Landschaft. It is named after the Ancient Roman city of Augusta Raurica whose ruins are nearby. The prefix Kaiser- ("imperial") refers to the fact that from medieval times the town formed part of the Habsburg territory of Further Austria, as opposed to the neighbouring village of Augst, which was part of the Canton of Basel in the Old Swiss Confederacy.
- Canton
- Aargau
- Area
- 4.9 km²
Population
5'824residents
Median taxable income
CHF 73'662
Vacancy
0.93%
Foreign residents
31.0%
Dwellings
2'796
Jobs (FTE)
5'865
Tax multiplier
60%
Land use across the commune
Every 100 × 100 m of 4303 Kaiseraugst, 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
5'865 full-time-equivalent jobs across 0 businesses — services make up 28% of employment, industry 72% (2018).
Source BFS STATENT
5'865FTE total
Primary0.2%
Secondary72.2%
Tertiary27.6%
Land use
43% built-up, 17% agricultural, 33% forest. Measured across 489 hectares (2018).
Source BFS Arealstatistik
Settlement46.1%
Agriculture18.5%
Forest35.3%
Water0.0%
Election Results
SVP led the 2023 National Council election with 34.3%, ahead of SP at 22.3%.
Source BFS
SVP34.3%+5.5 pp
SP22.3%−3.3 pp
Mitte12.0%
FDP11.3%−0.8 pp
GLP8.2%+0.1 pp
Grüne5.5%−2.3 pp
EVP1.6%−0.2 pp
Others
1.5%
2023 vs 2019
Primary / second-home mix
94.1% of dwellings are primary residences; 5.9% are second homes (2026).
Source BFS
Primary residences94.1%
Second homes5.9%