Demographics
BFS · 2023Women
328 49.5%
Men
335 50.5%
Children & youth (0–19)
58 8.7%
Swiss citizens
594 89.6%
Foreign residents
69 10.4%
0–19 · 58 · 8.7%20–64 · 338 · 51.0%65+ · 267 · 40.3%
Foreign residents 10.4%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 41.5%44.6% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 41.5%44.4% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 48.9%49.9% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 48.9%40.1% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023GRÜNE24.8% · strongest party
GRÜNE24.8%
FDP19.4%
SP13.4%
SVP12.2%
Lega11.6%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier95%
Cantonal tax multiplier100%
95%CH range 25%525%
Tax rank 87 of 99 in canton TicinoSource: ESTV · retrieved 20.07.2026
Climate
Cevio · 11.5 kmAnnual mean temperature 202511.9 °C
Precipitation 20251'685 mm
11.9 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websiteonsernone.swiss ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (2)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Onsernone?
- Onsernone has 2 postal codes: 6655, 6661.
- What is the tax rate in Onsernone?
- The municipal tax multiplier of Onsernone is 95% (2026); canton TI levies 100%.
- How many residents does Onsernone have?
- Onsernone has 663 residents (2023).
- Which canton is Onsernone in?
- Onsernone is located in canton TI.