About Castel San Pietro
Castel San Pietro is a municipality in the district of Mendrisio in the canton of Ticino in Switzerland.
- Canton
- Ticino
- Area
- 11.8 km²
Population
2'262residents
Median taxable income
CHF 66'948
Vacancy
1.48%
Foreign residents
13.2%
Dwellings
1'284
Jobs (FTE)
1'326
Tax multiplier
70%
Land use across the commune
Every 100 × 100 m of Castel San Pietro, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Jobs & economy
1'326 full-time-equivalent jobs across 183 businesses — services make up 38% of employment, industry 57% (2018).
Source BFS STATENT
1'326FTE total
Primary5.2%
Secondary57.2%
Tertiary37.6%
Land use
9% built-up, 21% agricultural, 68% forest. Measured across 1'182 hectares (2009).
Source BFS Arealstatistik
Settlement9.4%
Agriculture21.4%
Forest69.2%
Water0.0%
Election Results
Mitte led the 2023 National Council election with 23.6%, ahead of FDP at 17.0%.
Source BFS
Mitte23.6%
FDP17.0%+2.0 pp
SVP16.9%+5.6 pp
SP12.0%+0.5 pp
Lega
9.8%−8.3 pp
Grüne8.6%−5.4 pp
GLP1.2%+0.2 pp
2023 vs 2019
Primary / second-home mix
84.3% of dwellings are primary residences; 15.7% are second homes (2026).
Source BFS
Primary residences84.3%
Second homes15.7%
Climate data
Annual mean 11.6°C with 1'560 mm of rain. Warmest in July (21.7°C), coldest in January (1.6°C). Station: Stabio, 351 m.
Source MeteoSchweiz
11.6°C
Annual mean
Mean 11.6°C
Rain 1560 mm
Sun ≈172 days
Stabio · 351 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at Lugano has risen by +1.9°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+1.9°C
mean 1996–2025 vs. 1864–1893
Lugano · 273 m.a.s.l. · 1864–2025
