Wettswil am Albis: population and statistics
Wettswil am Albis has a population of 5,419 (2025) across 3.8 km², or 1,437 people per km². It ranks 390 of 2,115 municipalities by population. Its population is growing: +10.1% between 2015 and 2025.
- 5,419 residents
- 3.8 km²
- 1,437 people/km²
- 565 m
Key points
Among the 160 municipalities in Zürich, Wettswil am Albis ranks No. 70 by population.
Dwellings in buildings built before 1946: 3.1% in Wettswil am Albis, compared with an average of 20.9% in Zürich and 22.4% nationally.
District heating: 0.0% in Wettswil am Albis, compared with an average of 8.1% in Zürich and 7.3% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,144 kWh a year here.
Wettswil am Albis in numbers
Where is Wettswil am Albis?
Population of Wettswil am Albis over time
Wettswil am Albis had 4,920 residents in 2015 and 5,419 in 2025.
| Year | Population |
|---|---|
| 2020 | 5,281 |
| 2021 | 5,288 |
| 2022 | 5,282 |
| 2023 | 5,323 |
| 2024 | 5,337 |
| 2025 | 5,419 |
Did you know?
- “Dwellings in buildings built before 1946”: lower than in 99% of municipalities.
- “District heating”: lower than in 99% of municipalities.
- Its area is roughly equal to 528 football pitches.
- Its population density is 6.2 times the national average.
- The nearest municipality is Stallikon, 1.8 km away.
- The nearest more populous municipality is Adliswil (19,904 residents), 4.8 km away.
- A 4 kWp rooftop solar system here would generate about 4,576 kWh a year, roughly what an average household uses.
All indicators for Wettswil am Albis
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 | Wettswil am Albis | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.2% | 17.6% | 20.7% | ranked 1,010 of 1,811 |
Housing
| Indicator | Wettswil am Albis | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,393 | 810,666 | 4,927,050 | ranked 502 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 3.1% | 20.9% | 23.3% | ranked 1,799 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 32.0% | 27.3% | 25.3% | ranked 478 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 74.3% | 50.5% | 69.5% | ranked 589 of 1,806 |
Energy
| Indicator | Wettswil am Albis | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 57.4% | 63.4% | 53.5% | ranked 776 of 1,806 | |
| Heat pumps as main heating (2026) | 34.5% | 20.2% | 13.7% | ranked 159 of 1,806 | |
| Wood heating systems (2026) | 5.0% | 5.4% | 12.4% | ranked 1,454 of 1,806 | |
| District heating (2026) | 0.0% | 8.1% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 200 | 33,320 | 329,600 | ranked 515 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 819.4 kW | 571.3 kW | 1,134 kW | ranked 1,341 of 1,806 | |
| Rooftop solar electricity potential (2026) | 25.4 GWh/year | 7,291 GWh/year | 64,783 GWh/year | ranked 827 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 4,693 kWh/inh. | 4,465 kWh/inh. | 9,356 kWh/inh. | ranked 1,712 of 1,810 |
Economy
| Indicator | Wettswil am Albis | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 275 | 126,784 | 728,011 | ranked 550 of 2,112 | |
| Entities listed in the commercial register (2026) | 340 | 132,519 | 762,757 | ranked 441 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 62.7 | 81.2 | 64.9 | ranked 991 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.9% | 67.3% | 65.7% | ranked 694 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 29.7% | 27.9% | 29.0% | ranked 839 of 1,808 |
Employment
| Indicator | Wettswil am Albis | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,281 | 1,149,866 | 5,679,518 | ranked 690 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 236.4 | 704.2 | 362.9 | ranked 1,424 of 1,810 | |
| Share of jobs in services (2024) | 65.6% | 81.6% | 63.6% | ranked 820 of 1,804 | |
| Share of jobs in industry and construction (2024) | 33.3% | 16.2% | 24.2% | ranked 500 of 1,776 |
Society
| Indicator | Wettswil am Albis | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.4% | 29.2% | 18.9% | ranked 1,025 of 1,811 |
Sunshine and temperatures: Wettswil am Albis
Frequently asked questions
What is the population of Wettswil am Albis?
Wettswil am Albis has 5,419 residents (2025), ranking 390 of 2,115 municipalities.
How big is Wettswil am Albis?
Wettswil am Albis covers 3.8 km², with a density of 1,437 people per km².
Is the population of Wettswil am Albis growing?
Between 2015 and 2025, the population of Wettswil am Albis went from 4,920 to 5,419, a change of +10.1%.
Where is Wettswil am Albis?
Wettswil am Albis is in Zürich. It belongs to Bezirk Affoltern (district). Latitude 47.339, longitude 8.475.
Dwellings in buildings built before 1946: what is the figure for Wettswil am Albis?
In Wettswil am Albis, “Dwellings in buildings built before 1946” stands at 3.1% (2026), ranking 1,799 of 1,806 municipalities; the national median is 23.3%.
District heating: what is the figure for Wettswil am Albis?
In Wettswil am Albis, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
How much electricity does a solar panel produce in Wettswil am Albis?
In Wettswil am Albis, a 1 kWp south-facing system tilted at 37° produces about 1,144 kWh a year.
Which municipalities border Wettswil am Albis?
The nearest to Wettswil am Albis are Stallikon (1.8 km), Bonstetten (2.6 km), Aesch (ZH) (2.8 km), Islisberg (3.2 km), Birmensdorf (ZH) (3.3 km).