Population
16'830↓0.1%
About Solothurn
Municipality · Solothurn
Solothurn is a city, a municipality, and the capital of the canton of Solothurn in Switzerland. It is located in the north-west of Switzerland on the banks of the Aare and on the foot of the Weissenstein Jura mountains.
Population
16'830
Tax multiplier
112%
Solothurn in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.112%↑4.7%
Bottom quartile in canton
Median taxable income
CHF 51'900
Top quartile in canton
Median net income
CHF 56'050↓0.3%
80%
Cantonal tax multiplier
104%
1.24%↓34.0%
Below average in canton
- Settlement72%
- Agriculture20%
- Other5%
- Forest2%
Foreign residents
22.8%↑1.3%
Above average in canton
Median rent
CHF 19/ m²
+3% vs CH
Dwellings
10'081↓0.2%
Jobs (FTE)
16'610↓1.2%
87%
Housing market in Solothurn
The rental vacancy rate is 1.24%, 40% below the cantonal average (2.06 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 112%, 4% below the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 60'300, 3% below the Swiss median (CHF 61'929). Solothurn has 16'830 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
