Population
1'475↓1.7%

City · Solothurn
Witterswil is a municipality in the district of Dorneck in the canton of Solothurn in Switzerland.
The rental vacancy rate is 0.45%, 78% below the cantonal average (2.06 %). The municipal tax multiplier (Steuerfuss) is 110%, 6% below the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 75'000, 21% above the Swiss median (CHF 61'929). Witterswil has 1'475 residents (2025).
Source: Swiss Federal Statistical Office (BFS).