Population
4'113↓0.4%
About Lostorf
City · Solothurn
Lostorf is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland.
Population
4'113
Tax multiplier
113%
Lostorf in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.113%
Below average in canton
Median taxable income
CHF 56'000↑0.9%
Top quartile in canton
Median net income
CHF 62'000↓1.4%
81%
Cantonal tax multiplier
104%
3.38%↑69.0%
Top quartile in canton
- Forest49%
- Agriculture36%
- Settlement15%
- Other0%
Foreign residents
12.4%↑0.6%
Below average in canton
Median rent
CHF 16/ m²
−9% vs CH
Dwellings
1'982↑1.6%
Jobs (FTE)
739↓2.2%
92%
Housing market in Lostorf
The rental vacancy rate is 3.38%, 64% above the cantonal average (2.06 %) — a comparatively relaxed market. The municipal tax multiplier (Steuerfuss) is 113%, 3% below the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 64'800, 5% above the Swiss median (CHF 61'929). Lostorf has 4'113 residents (2025).
Source: Swiss Federal Statistical Office (BFS).