Caslano: population and statistics
Caslano has a population of 4,393 (2025) across 2.8 km², or 1,580 people per km². It ranks 515 of 2,115 municipalities by population. Its population is growing: +1.2% between 2015 and 2025.
- 4,393 residents
- 2.8 km²
- 1,580 people/km²
- 321 m
Key points
Among the 100 municipalities in Ticino, Caslano ranks No. 21 by population.
Share of people aged 65 and over: 29.9% in Caslano, compared with an average of 24.3% in Ticino and 19.8% nationally.
Dwellings in buildings built before 1946: 7.4% in Caslano, compared with an average of 20.3% in Ticino and 22.4% nationally.
A 1 kWp solar panel tilted at 34° generates about 1,178 kWh a year here.
Caslano in numbers
Where is Caslano?
Population of Caslano over time
Caslano had 4,339 residents in 2015 and 4,393 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,327 |
| 2021 | 4,373 |
| 2022 | 4,329 |
| 2023 | 4,363 |
| 2024 | 4,400 |
| 2025 | 4,393 |
Did you know?
- Number 1 in Ticino for “District heating”.
- “Share of people aged 65 and over”: higher than in 97% of municipalities.
- “Dwellings in buildings built before 1946”: lower than in 95% of municipalities.
- Its area is roughly equal to 389 football pitches.
- Its population density is 6.8 times the national average.
- The nearest municipality is Magliaso, 1.5 km away.
- The nearest more populous municipality is Massagno (6,976 residents), 7.5 km away.
All indicators for Caslano
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Caslano | Ticino | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 29.9% | 24.3% | 20.7% | ranked 51 of 1,811 |
Housing
| Indicator | Caslano | Ticino | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 3,057 | 260,627 | 4,927,050 | ranked 362 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 7.4% | 20.3% | 23.3% | ranked 1,708 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 20.4% | 20.4% | 25.3% | ranked 1,216 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 66.2% | 62.1% | 69.5% | ranked 1,083 of 1,806 |
Energy
| Indicator | Caslano | Ticino | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 57.8% | 59.8% | 53.5% | ranked 764 of 1,806 | |
| Heat pumps as main heating (2026) | 17.4% | 12.4% | 13.7% | ranked 704 of 1,806 | |
| Wood heating systems (2026) | 6.4% | 11.5% | 12.4% | ranked 1,333 of 1,806 | |
| District heating (2026) | 7.7% | 1.2% | 1.4% | ranked 319 of 1,806 | |
| Photovoltaic installations (2026) | 177 | 16,017 | 329,600 | ranked 615 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 682.8 kW | 915.9 kW | 1,134 kW | ranked 1,494 of 1,806 | |
| Rooftop solar electricity potential (2026) | 33.9 GWh/year | 3,370 GWh/year | 64,783 GWh/year | ranked 592 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 7,726 kWh/inh. | 9,438 kWh/inh. | 9,356 kWh/inh. | ranked 1,240 of 1,810 |
Economy
| Indicator | Caslano | Ticino | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 357 | 40,256 | 728,011 | ranked 410 of 2,112 | |
| Entities listed in the commercial register (2026) | 297 | 42,118 | 762,757 | ranked 516 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 67.6 | 117.1 | 64.9 | ranked 806 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.7% | 72.1% | 65.7% | ranked 714 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 31.0% | 23.0% | 29.0% | ranked 726 of 1,808 |
Employment
| Indicator | Caslano | Ticino | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,796 | 249,351 | 5,679,518 | ranked 518 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 408.8 | 698.3 | 362.9 | ranked 740 of 1,810 | |
| Share of jobs in services (2024) | 66.7% | 78.3% | 63.6% | ranked 784 of 1,804 | |
| Share of jobs in industry and construction (2024) | 33.1% | 20.2% | 24.2% | ranked 513 of 1,776 |
Society
| Indicator | Caslano | Ticino | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 30.2% | 29.8% | 18.9% | ranked 293 of 1,811 |
Sunshine and temperatures: Caslano
Frequently asked questions
What is the population of Caslano?
Caslano has 4,393 residents (2025), ranking 515 of 2,115 municipalities.
How big is Caslano?
Caslano covers 2.8 km², with a density of 1,580 people per km².
Is the population of Caslano growing?
Between 2015 and 2025, the population of Caslano went from 4,339 to 4,393, a change of +1.2%.
Where is Caslano?
Caslano is in Ticino. It belongs to Distretto di Lugano (district). Latitude 45.970, longitude 8.880.
Share of people aged 65 and over: what is the figure for Caslano?
In Caslano, “Share of people aged 65 and over” stands at 29.9% (2025), ranking 51 of 1,811 municipalities; the national median is 20.7%.
Dwellings in buildings built before 1946: what is the figure for Caslano?
In Caslano, “Dwellings in buildings built before 1946” stands at 7.4% (2026), ranking 1,708 of 1,806 municipalities; the national median is 23.3%.
How much electricity does a solar panel produce in Caslano?
In Caslano, a 1 kWp south-facing system tilted at 34° produces about 1,178 kWh a year.
Which municipalities border Caslano?
The nearest to Caslano are Magliaso (1.5 km), Neggio (1.5 km), Pura (1.8 km), Collina d'Oro (3.2 km), Vernate (3.4 km).