Demographics
BFS · 2023Women
3'845 50.8%
Men
3'720 49.2%
Children & youth (0–19)
1'165 15.4%
Swiss citizens
4'150 54.9%
Foreign residents
3'414 45.1%
0–19 · 1'165 · 15.4%20–64 · 4'350 · 57.5%65+ · 2'050 · 27.1%
Foreign residents 45.1%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 44.4%54.4% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 44.4%49.7% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 52.8%47.8% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 52.8%32.8% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023FDP25.3% · strongest party
FDP25.3%
Mitte18.3%
Lega12.8%
SP12.6%
SVP11.1%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier88%
Cantonal tax multiplier100%
88%CH range 25%525%
Tax rank 59 of 99 in canton TicinoSource: ESTV · retrieved 20.07.2026
Climate
Stabio · 6.3 kmAnnual mean temperature 202512.5 °C
Precipitation 20252'173 mm
12.5 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitechiasso.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (2)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Chiasso?
- Chiasso has 2 postal codes: 6830, 6832.
- What is the tax rate in Chiasso?
- The municipal tax multiplier of Chiasso is 88% (2026); canton TI levies 100%.
- How many residents does Chiasso have?
- Chiasso has 7'565 residents (2023).
- Which canton is Chiasso in?
- Chiasso is located in canton TI.