About Sta. Maria in Calanca
- Canton
- Graubünden
- Area
- 9.3 km²
Population
113residents
Median taxable income
CHF 52'778
Vacancy
1.26%
Foreign residents
11.5%
Dwellings
238
Tax multiplier
100%
Land use across the commune
Every 100 × 100 m of Sta. Maria in Calanca, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Land use
2% built-up, 4% agricultural, 75% forest. Measured across 932 hectares (2018).
Source BFS Arealstatistik
Settlement2.1%
Agriculture5.2%
Forest92.7%
Water0.0%
Election Results
Mitte led the 2023 National Council election with 43.0%, ahead of SVP at 28.2%.
Source BFS
Mitte43.0%
SVP28.2%−28.1 pp
SP20.8%+2.4 pp
FDP4.7%+2.6 pp
Grüne3.4%−6.6 pp
2023 vs 2019
Primary / second-home mix
28.6% of dwellings are primary residences; 71.4% are second homes (2026). The Zweitwohnungsgesetz applies here — new second-home construction is restricted.
Source BFS
Primary residences28.6%
Second homes71.4%
Second-home quota > 20% — Zweitwohnungsgesetz applies
Climate data
Annual mean 10.8°C with 1'371 mm of rain. Warmest in July (20.4°C), coldest in January (0.8°C). Station: Grono, 324 m.
Source MeteoSchweiz
10.8°C
Annual mean
Mean 10.8°C
Rain 1371 mm
Grono · 324 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at S. Bernardino has risen by +1.8°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+1.8°C
mean 1996–2025 vs. 1864–1893
S. Bernardino · 1639 m.a.s.l. · 1864–2025
