Weiach: population and statistics
Weiach has a population of 2,133 (2025) across 9.6 km², or 223 people per km². It ranks 932 of 2,115 municipalities by population. Its population is growing: +54.7% between 2015 and 2025.
- 2,133 residents
- 9.6 km²
- 223 people/km²
- 383 m
Key points
Among the 160 municipalities in Zürich, Weiach ranks No. 118 by population.
Dwellings in buildings built since 2001: 56.8% in Weiach, compared with an average of 27.3% in Zürich and 24.6% nationally.
Heat pumps as main heating: 3.1% in Weiach, compared with an average of 20.2% in Zürich and 15.5% nationally.
A 1 kWp solar panel tilted at 36° generates about 1,151 kWh a year here.
Weiach in numbers
Where is Weiach?
Population of Weiach over time
Weiach had 1,379 residents in 2015 and 2,133 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,990 |
| 2021 | 2,049 |
| 2022 | 2,077 |
| 2023 | 2,123 |
| 2024 | 2,123 |
| 2025 | 2,133 |
Did you know?
- Number 1 in Zürich for “Population change over 10 years”.
- Number 1 in Zürich for “Dwellings in buildings built since 2001”.
- “Dwellings in buildings built since 2001”: higher than in 99% of municipalities.
- “Heat pumps as main heating”: lower than in 97% of municipalities.
- “Share of sole proprietorships among registered entities”: higher than in 96% of municipalities.
- Its area is roughly equal to 1,342 football pitches.
- The nearest municipality is Fisibach, 2.2 km away.
All indicators for Weiach
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 | Weiach | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 15.4% | 17.6% | 20.7% | ranked 1,677 of 1,811 |
Housing
| Indicator | Weiach | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,015 | 810,666 | 4,927,050 | ranked 1,036 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 16.3% | 20.9% | 23.3% | ranked 1,288 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 56.8% | 27.3% | 25.3% | ranked 3 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 68.3% | 50.5% | 69.5% | ranked 972 of 1,806 |
Energy
| Indicator | Weiach | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 53.7% | 63.4% | 53.5% | ranked 896 of 1,806 | |
| Heat pumps as main heating (2026) | 3.1% | 20.2% | 13.7% | ranked 1,754 of 1,806 | |
| Wood heating systems (2026) | 25.1% | 5.4% | 12.4% | ranked 369 of 1,806 | |
| District heating (2026) | 15.3% | 8.1% | 1.4% | ranked 139 of 1,806 | |
| Photovoltaic installations (2026) | 69 | 33,320 | 329,600 | ranked 1,361 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 775.2 kW | 571.3 kW | 1,134 kW | ranked 1,389 of 1,806 | |
| Rooftop solar electricity potential (2026) | 14.1 GWh/year | 7,291 GWh/year | 64,783 GWh/year | ranked 1,287 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 6,596 kWh/inh. | 4,465 kWh/inh. | 9,356 kWh/inh. | ranked 1,448 of 1,810 |
Economy
| Indicator | Weiach | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 107 | 126,784 | 728,011 | ranked 1,207 of 2,112 | |
| Entities listed in the commercial register (2026) | 112 | 132,519 | 762,757 | ranked 1,088 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 52.5 | 81.2 | 64.9 | ranked 1,430 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 50.9% | 67.3% | 65.7% | ranked 1,713 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 44.6% | 27.9% | 29.0% | ranked 70 of 1,808 |
Employment
| Indicator | Weiach | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 328 | 1,149,866 | 5,679,518 | ranked 1,381 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 153.8 | 704.2 | 362.9 | ranked 1,716 of 1,810 | |
| Share of jobs in services (2024) | 62.5% | 81.6% | 63.6% | ranked 940 of 1,804 | |
| Share of jobs in industry and construction (2024) | 28.7% | 16.2% | 24.2% | ranked 682 of 1,776 |
Society
| Indicator | Weiach | Zürich | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 27.1% | 29.2% | 18.9% | ranked 426 of 1,811 |
Sunshine and temperatures: Weiach
Frequently asked questions
What is the population of Weiach?
Weiach has 2,133 residents (2025), ranking 932 of 2,115 municipalities.
How big is Weiach?
Weiach covers 9.6 km², with a density of 223 people per km².
Is the population of Weiach growing?
Between 2015 and 2025, the population of Weiach went from 1,379 to 2,133, a change of +54.7%.
Where is Weiach?
Weiach is in Zürich. It belongs to Bezirk Dielsdorf (district). Latitude 47.558, longitude 8.438.
Dwellings in buildings built since 2001: what is the figure for Weiach?
In Weiach, “Dwellings in buildings built since 2001” stands at 56.8% (2026), ranking 3 of 1,806 municipalities; the national median is 25.3%.
Heat pumps as main heating: what is the figure for Weiach?
In Weiach, “Heat pumps as main heating” stands at 3.1% (2026), ranking 1,754 of 1,806 municipalities; the national median is 13.7%.
How much electricity does a solar panel produce in Weiach?
In Weiach, a 1 kWp south-facing system tilted at 36° produces about 1,151 kWh a year.
Which municipalities border Weiach?
The nearest to Weiach are Fisibach (2.2 km), Bachs (3.7 km), Stadel (3.9 km), Siglistorf (4.5 km), Wasterkingen (4.6 km).