Population
5'985↑2.8%
About Kaiseraugst
Municipality · Aargau
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.
Population
5'985
Tax multiplier
50%
Kaiseraugst in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.50%↓16.7%
Bottom 10% in canton
Median taxable income
CHF 59'800↑2.9%
Top quartile in canton
Median net income
CHF 65'800↑2.2%
82%
Cantonal tax multiplier
103%↓7.2%
0.93%↓27.9%
Middle in canton
- Settlement43%
- Forest33%
- Agriculture17%
- Other7%
Foreign residents
31.5%↑1.8%
Top quartile in canton
Median rent
CHF 19/ m²
+3% vs CH
Dwellings
2'796↑9.3%
Jobs (FTE)
6'250↑2.0%
94%
Housing market in Kaiseraugst
The rental vacancy rate is 0.93%, 22% below the cantonal average (1.19 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 50%, 52% below the cantonal average (104 %) — tax-favourable. Median taxable income is CHF 68'400, 10% above the Swiss median (CHF 61'929). Kaiseraugst has 5'985 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
