Population
18'973↑2.0%
About Grenchen
City · Solothurn
Grenchen is a municipality in the district of Lebern in the canton of Solothurn in Switzerland.
Population
18'973
Tax multiplier
115%
Grenchen in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.115%
Below average in canton
Median taxable income
CHF 46'200↑2.4%
Bottom quartile in canton
Median net income
CHF 50'900↑1.8%
76%
Cantonal tax multiplier
104%
1.27%↓18.6%
Below average in canton
- Forest40%
- Agriculture37%
- Settlement22%
- Other2%
Foreign residents
40.9%↑1.6%
Top 10% in canton
Median price
CHF 6'564/ m²
−23% vs CH
Dwellings
10'472↑0.8%
Jobs (FTE)
8'435↓4.1%
85%
Property market in Grenchen
The rental vacancy rate is 1.27%, 38% below the cantonal average (2.06 %). The municipal tax multiplier (Steuerfuss) is 115%, roughly the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 53'700, 13% below the Swiss median (CHF 61'929). Grenchen has 18'973 residents (2025).
Source: Swiss Federal Statistical Office (BFS).