About Chiasso
Chiasso is a municipality in the district of Mendrisio in the canton of Ticino in Switzerland.
- Canton
- Ticino
- Area
- 5.3 km²
Population
7'564residents
Median taxable income
CHF 48'124
Vacancy
7.58%
Foreign residents
45.1%
Dwellings
5'580
Jobs (FTE)
10'995
Tax multiplier
88%
Land use across the commune
Every 100 × 100 m of Chiasso, 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
10'995 full-time-equivalent jobs across 1'968 businesses — services make up 90% of employment, industry 10% (2018).
Source BFS STATENT
10'995FTE total
Primary0.2%
Secondary9.6%
Tertiary90.2%
Land use
36% built-up, 15% agricultural, 48% forest. Measured across 532 hectares (2018).
Source BFS Arealstatistik
Settlement36.7%
Agriculture15.1%
Forest48.2%
Water0.0%
Election Results
FDP led the 2023 National Council election with 25.3%, ahead of Mitte at 18.3%.
Source BFS
FDP25.3%+6.9 pp
Mitte18.3%
Lega
12.8%−12.5 pp
SP12.6%−3.3 pp
SVP11.1%+2.6 pp
Grüne7.9%−4.0 pp
GLP0.9%−0.2 pp
2023 vs 2019
Primary / second-home mix
81.9% of dwellings are primary residences; 18.1% are second homes (2026).
Source BFS
Primary residences81.9%
Second homes18.1%
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
