Brittnau: population and statistics
Brittnau has a population of 4,350 (2025) across 13.7 km², or 318 people per km². It ranks 519 of 2,115 municipalities by population. Its population is growing: +12.7% between 2015 and 2025.
- 4,350 residents
- 13.7 km²
- 318 people/km²
- 449 m
Key points
Among the 197 municipalities in Aargau, Brittnau ranks No. 58 by population.
Jobs per 1,000 inhabitants: 183.0 in Brittnau, compared with an average of 489.8 in Aargau and 622.5 nationally.
Entities in the commercial register per 1,000 inhabitants: 46.9 in Brittnau, compared with an average of 62.0 in Aargau and 83.6 nationally.
A 1 kWp solar panel tilted at 37° generates about 1,161 kWh a year here.
Brittnau in numbers
Where is Brittnau?
Population of Brittnau over time
Brittnau had 3,859 residents in 2015 and 4,350 in 2025.
| Year | Population |
|---|---|
| 2020 | 3,968 |
| 2021 | 4,052 |
| 2022 | 4,130 |
| 2023 | 4,257 |
| 2024 | 4,339 |
| 2025 | 4,350 |
Did you know?
All indicators for Brittnau
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 | Brittnau | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 19.9% | 19.5% | 20.7% | ranked 1,043 of 1,811 |
Housing
| Indicator | Brittnau | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,045 | 355,613 | 4,927,050 | ranked 589 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 31.4% | 16.6% | 23.3% | ranked 539 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 24.9% | 30.9% | 25.3% | ranked 924 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 75.3% | 70.4% | 69.5% | ranked 514 of 1,806 |
Energy
| Indicator | Brittnau | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 65.5% | 66.6% | 53.5% | ranked 499 of 1,806 | |
| Heat pumps as main heating (2026) | 13.5% | 11.6% | 13.7% | ranked 914 of 1,806 | |
| Wood heating systems (2026) | 11.4% | 8.3% | 12.4% | ranked 964 of 1,806 | |
| District heating (2026) | 0.5% | 6.5% | 1.4% | ranked 1,273 of 1,806 | |
| Photovoltaic installations (2026) | 264 | 26,039 | 329,600 | ranked 340 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,063 kW | 997.1 kW | 1,134 kW | ranked 1,007 of 1,806 | |
| Rooftop solar electricity potential (2026) | 37.9 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 509 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,717 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,030 of 1,810 |
Economy
| Indicator | Brittnau | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 234 | 47,193 | 728,011 | ranked 655 of 2,112 | |
| Entities listed in the commercial register (2026) | 204 | 46,143 | 762,757 | ranked 724 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 46.9 | 62.0 | 64.9 | ranked 1,614 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 61.3% | 66.6% | 65.7% | ranked 1,278 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 34.3% | 29.1% | 29.0% | ranked 450 of 1,808 |
Employment
| Indicator | Brittnau | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 796 | 364,295 | 5,679,518 | ranked 941 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 183.0 | 489.8 | 362.9 | ranked 1,619 of 1,810 | |
| Share of jobs in services (2024) | 54.4% | 69.1% | 63.6% | ranked 1,222 of 1,804 | |
| Share of jobs in industry and construction (2024) | 26.9% | 26.5% | 24.2% | ranked 767 of 1,776 |
Society
| Indicator | Brittnau | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 13.6% | 28.1% | 18.9% | ranked 1,295 of 1,811 |
Sunshine and temperatures: Brittnau
Frequently asked questions
What is the population of Brittnau?
Brittnau has 4,350 residents (2025), ranking 519 of 2,115 municipalities.
How big is Brittnau?
Brittnau covers 13.7 km², with a density of 318 people per km².
Is the population of Brittnau growing?
Between 2015 and 2025, the population of Brittnau went from 3,859 to 4,350, a change of +12.7%.
Where is Brittnau?
Brittnau is in Aargau. It belongs to Bezirk Zofingen (district). Latitude 47.261, longitude 7.947.
Jobs per 1,000 inhabitants: what is the figure for Brittnau?
In Brittnau, “Jobs per 1,000 inhabitants” stands at 183.0 (2024), ranking 1,619 of 1,810 municipalities; the national median is 362.9.
Entities in the commercial register per 1,000 inhabitants: what is the figure for Brittnau?
In Brittnau, “Entities in the commercial register per 1,000 inhabitants” stands at 46.9 (2026), ranking 1,614 of 1,811 municipalities; the national median is 64.9.
How much electricity does a solar panel produce in Brittnau?
In Brittnau, a 1 kWp south-facing system tilted at 37° produces about 1,161 kWh a year.
Which municipalities border Brittnau?
The nearest to Brittnau are Wikon (1.4 km), Reiden (2.5 km), Strengelbach (2.7 km), Zofingen (3.1 km), Vordemwald (3.9 km).