Population
6'766↓0.7%
About Oensingen
City · Solothurn
Oensingen is a municipality in the district of Gäu in the canton of Solothurn in Switzerland.
Population
6'766
Tax multiplier
116%
Oensingen in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.116%↑4.5%
Below average in canton
Median taxable income
CHF 51'050↑1.1%
Below average in canton
Median net income
CHF 57'700↑2.1%
77%
Cantonal tax multiplier
104%
1.20%↓17.8%
Below average in canton
- Agriculture38%
- Forest37%
- Settlement24%
- Other1%
Foreign residents
40.4%
Top 10% in canton
Median price
CHF 6'829/ m²
−20% vs CH
Dwellings
3'250↑1.0%
Jobs (FTE)
4'715↑0.3%
93%
Property market in Oensingen
The rental vacancy rate is 1.20%, 42% below the cantonal average (2.06 %). The municipal tax multiplier (Steuerfuss) is 116%, roughly the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 58'900, 5% below the Swiss median (CHF 61'929). Oensingen has 6'766 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
