About Monteggio
Monteggio is a former municipality in the district of Lugano in the canton of Ticino in Switzerland. On 18 April 2021 the municipalities of Croglio, Monteggio, Ponte Tresa and Sessa merged to form Tresa.
- Canton
- Ticino
- Area
- 11.2 km²
Population
3'126residents
Median taxable income
CHF 53'125
Vacancy
4.82%
Foreign residents
25.0%
Dwellings
2'697
Tax multiplier
85%
Land use across the commune
Every 100 × 100 m of Monteggio, 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
20% built-up, 21% agricultural, 58% forest. Measured across 1'103 hectares (2018).
Source BFS Arealstatistik
Settlement20.3%
Agriculture21.0%
Forest58.7%
Water0.0%
Election Results
SVP led the 2023 National Council election with 26.1%, ahead of Mitte at 16.7%.
Source BFS
SVP26.1%+5.2 pp
Mitte16.7%
FDP16.6%−1.1 pp
Grüne10.6%−0.9 pp
SP9.8%−1.2 pp
Lega
9.7%−3.5 pp
GLP1.7%+0.6 pp
2023 vs 2019
Primary / second-home mix
59.4% of dwellings are primary residences; 40.6% are second homes (2026). The Zweitwohnungsgesetz applies here — new second-home construction is restricted.
Source BFS
Primary residences59.4%
Second homes40.6%
Second-home quota > 20% — Zweitwohnungsgesetz applies
Climate data
Annual mean 13.0°C with 1'567 mm of rain. Warmest in July (22.6°C), coldest in January (3.8°C). Station: Lugano, 273 m.
Source MeteoSchweiz
13.0°C
Annual mean
Mean 13.0°C
Rain 1567 mm
Sun ≈177 days
Lugano · 273 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
