Safenwil: population and statistics
Safenwil has a population of 4,629 (2025) across 6.0 km², or 773 people per km². It ranks 479 of 2,115 municipalities by population. Its population is growing: +25.3% between 2015 and 2025.
- 4,629 residents
- 6.0 km²
- 773 people/km²
- 487 m
Key points
Among the 197 municipalities in Aargau, Safenwil ranks No. 50 by population.
Dwellings in buildings built since 2001: 36.8% in Safenwil, compared with an average of 30.9% in Aargau and 24.6% nationally.
Share of foreign nationals: 29.8% in Safenwil, compared with an average of 28.1% in Aargau and 27.7% nationally.
A 1 kWp solar panel tilted at 36° generates about 1,140 kWh a year here.
Safenwil in numbers
Where is Safenwil?
Population of Safenwil over time
Safenwil had 3,695 residents in 2015 and 4,629 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,107 |
| 2021 | 4,295 |
| 2022 | 4,412 |
| 2023 | 4,564 |
| 2024 | 4,630 |
| 2025 | 4,629 |
Did you know?
- Its area is roughly equal to 839 football pitches.
- Its population density is 3.3 times the national average.
- The nearest municipality is Walterswil (SO), 1.9 km away.
- The nearest more populous municipality is Zofingen (13,054 residents), 4.4 km away.
- A 4 kWp rooftop solar system here would generate about 4,560 kWh a year, roughly what an average household uses.
All indicators for Safenwil
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 | Safenwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.5% | 19.5% | 20.7% | ranked 1,305 of 1,811 |
Housing
| Indicator | Safenwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,173 | 355,613 | 4,927,050 | ranked 561 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 17.6% | 16.6% | 23.3% | ranked 1,215 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 36.8% | 30.9% | 25.3% | ranked 265 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 75.7% | 70.4% | 69.5% | ranked 482 of 1,806 |
Energy
| Indicator | Safenwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 70.8% | 66.6% | 53.5% | ranked 338 of 1,806 | |
| Heat pumps as main heating (2026) | 10.5% | 11.6% | 13.7% | ranked 1,185 of 1,806 | |
| Wood heating systems (2026) | 8.3% | 8.3% | 12.4% | ranked 1,174 of 1,806 | |
| District heating (2026) | 3.6% | 6.5% | 1.4% | ranked 568 of 1,806 | |
| Photovoltaic installations (2026) | 179 | 26,039 | 329,600 | ranked 605 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 837.3 kW | 997.1 kW | 1,134 kW | ranked 1,321 of 1,806 | |
| Rooftop solar electricity potential (2026) | 39.3 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 476 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,499 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,074 of 1,810 |
Economy
| Indicator | Safenwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 268 | 47,193 | 728,011 | ranked 569 of 2,112 | |
| Entities listed in the commercial register (2026) | 282 | 46,143 | 762,757 | ranked 541 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 60.9 | 62.0 | 64.9 | ranked 1,072 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 65.6% | 66.6% | 65.7% | ranked 917 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 29.4% | 29.1% | 29.0% | ranked 865 of 1,808 |
Employment
| Indicator | Safenwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,828 | 364,295 | 5,679,518 | ranked 510 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 394.9 | 489.8 | 362.9 | ranked 793 of 1,810 | |
| Share of jobs in services (2024) | 77.7% | 69.1% | 63.6% | ranked 389 of 1,804 | |
| Share of jobs in industry and construction (2024) | 19.9% | 26.5% | 24.2% | ranked 1,106 of 1,776 |
Society
| Indicator | Safenwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 29.8% | 28.1% | 18.9% | ranked 305 of 1,811 |
Sunshine and temperatures: Safenwil
Frequently asked questions
What is the population of Safenwil?
Safenwil has 4,629 residents (2025), ranking 479 of 2,115 municipalities.
How big is Safenwil?
Safenwil covers 6.0 km², with a density of 773 people per km².
Is the population of Safenwil growing?
Between 2015 and 2025, the population of Safenwil went from 3,695 to 4,629, a change of +25.3%.
Where is Safenwil?
Safenwil is in Aargau. It belongs to Bezirk Zofingen (district). Latitude 47.319, longitude 7.983.
Dwellings in buildings built since 2001: what is the figure for Safenwil?
In Safenwil, “Dwellings in buildings built since 2001” stands at 36.8% (2026), ranking 265 of 1,806 municipalities; the national median is 25.3%.
Share of foreign nationals: what is the figure for Safenwil?
In Safenwil, “Share of foreign nationals” stands at 29.8% (2025), ranking 305 of 1,811 municipalities; the national median is 18.9%.
How much electricity does a solar panel produce in Safenwil?
In Safenwil, a 1 kWp south-facing system tilted at 36° produces about 1,140 kWh a year.
Which municipalities border Safenwil?
The nearest to Safenwil are Walterswil (SO) (1.9 km), Uerkheim (3.5 km), Kölliken (3.7 km), Bottenwil (4.1 km), Däniken (4.2 km).