Sumvitg
- Canton
- Graubünden (GR)
- District
- Region Surselva
- BFS number
- 3985
- Postcodes
- 7172, 7173, 7174, 7175, 7176, 7180
Population
Official figure
- Permanent residents on 31 December 2010
- 1,281
- Permanent residents on 31 December 2025
- 1,053
- Change 2010–2025
- -17.8%
- Calculated by Votara from official data
Population in 2050?
Votara estimate, not an official forecast canton-level scenario applied proportionally
about 1,090
Estimate for 31 December 2050
How it is calculated
Population 2050 ≈ population 2025 × canton scenario 2050 ÷ canton scenario 2025, rounded to three significant digits.
- Population of Sumvitg, 31 December 2025 (OFS/BFS)
- 1,053
- Graubünden (canton), OFS/BFS reference scenario 2050
- 214,334
- Graubünden (canton), OFS/BFS reference scenario 2025
- 207,029
- Growth factor of the canton 2025–2050
- 1.035
The OFS/BFS publishes no population scenarios for communes. This estimate applies the growth of the whole canton to the commune; local factors such as building zones or new housing are not taken into account.
Vacancy rate
Official figure
0.37%
Empty dwellings on 1 June 2026, as a share of all dwellings.
Graubünden (canton): 0.51% (2026)