Population
619↑3.2%

City · Solothurn
Fehren is a municipality in the district of Thierstein in the canton of Solothurn in Switzerland.
The rental vacancy rate is 1.02%, 50% below the cantonal average (2.06 %). The municipal tax multiplier (Steuerfuss) is 130%, 12% above the cantonal average (117 %). Median taxable income is CHF 57'000, 8% below the Swiss median (CHF 61'929). Fehren has 619 residents (2025).
Source: Swiss Federal Statistical Office (BFS).