Aarburg: population and statistics
Aarburg has a population of 9,040 (2025) across 4.4 km², or 2,050 people per km². It ranks 217 of 2,115 municipalities by population. Its population is growing: +17.1% between 2015 and 2025.
- 9,040 residents
- 4.4 km²
- 2,050 people/km²
- 403 m
Key points
Among the 197 municipalities in Aargau, Aarburg ranks No. 17 by population.
District heating: 0.0% in Aarburg, compared with an average of 6.5% in Aargau and 7.3% nationally.
Share of foreign nationals: 45.8% in Aarburg, compared with an average of 28.1% in Aargau and 27.7% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,157 kWh a year here.
Aarburg in numbers
Where is Aarburg?
Population of Aarburg over time
Aarburg had 7,723 residents in 2015 and 9,040 in 2025.
| Year | Population |
|---|---|
| 2020 | 8,577 |
| 2021 | 8,562 |
| 2022 | 8,746 |
| 2023 | 8,891 |
| 2024 | 8,917 |
| 2025 | 9,040 |
Did you know?
- “District heating”: lower than in 99% of municipalities.
- “Share of foreign nationals”: higher than in 98% of municipalities.
- “Share of people aged 65 and over”: lower than in 94% of municipalities.
- Its area is roughly equal to 618 football pitches.
- Its population density is 8.8 times the national average.
- The nearest more populous municipality is Oftringen (15,198 residents), 1.8 km away.
- A 4 kWp rooftop solar system here would generate about 4,628 kWh a year, roughly what an average household uses.
All indicators for Aarburg
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 | Aarburg | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 15.2% | 19.5% | 20.7% | ranked 1,702 of 1,811 |
Housing
| Indicator | Aarburg | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 4,501 | 355,613 | 4,927,050 | ranked 229 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 14.1% | 16.6% | 23.3% | ranked 1,404 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 35.6% | 30.9% | 25.3% | ranked 311 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 70.4% | 70.4% | 69.5% | ranked 855 of 1,806 |
Energy
| Indicator | Aarburg | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 82.8% | 66.6% | 53.5% | ranked 59 of 1,806 | |
| Heat pumps as main heating (2026) | 10.3% | 11.6% | 13.7% | ranked 1,208 of 1,806 | |
| Wood heating systems (2026) | 2.6% | 8.3% | 12.4% | ranked 1,650 of 1,806 | |
| District heating (2026) | 0.0% | 6.5% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 170 | 26,039 | 329,600 | ranked 642 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 485.5 kW | 997.1 kW | 1,134 kW | ranked 1,679 of 1,806 | |
| Rooftop solar electricity potential (2026) | 48.7 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 347 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 5,383 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,626 of 1,810 |
Economy
| Indicator | Aarburg | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 404 | 47,193 | 728,011 | ranked 357 of 2,112 | |
| Entities listed in the commercial register (2026) | 448 | 46,143 | 762,757 | ranked 322 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 49.6 | 62.0 | 64.9 | ranked 1,532 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 66.7% | 66.6% | 65.7% | ranked 813 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 29.2% | 29.1% | 29.0% | ranked 879 of 1,808 |
Employment
| Indicator | Aarburg | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 3,490 | 364,295 | 5,679,518 | ranked 282 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 386.1 | 489.8 | 362.9 | ranked 818 of 1,810 | |
| Share of jobs in services (2024) | 69.9% | 69.1% | 63.6% | ranked 660 of 1,804 | |
| Share of jobs in industry and construction (2024) | 28.9% | 26.5% | 24.2% | ranked 675 of 1,776 |
Society
| Indicator | Aarburg | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 45.8% | 28.1% | 18.9% | ranked 29 of 1,811 |
Sunshine and temperatures: Aarburg
Frequently asked questions
What is the population of Aarburg?
Aarburg has 9,040 residents (2025), ranking 217 of 2,115 municipalities.
How big is Aarburg?
Aarburg covers 4.4 km², with a density of 2,050 people per km².
Is the population of Aarburg growing?
Between 2015 and 2025, the population of Aarburg went from 7,723 to 9,040, a change of +17.1%.
Where is Aarburg?
Aarburg is in Aargau. It belongs to Bezirk Zofingen (district). Latitude 47.321, longitude 7.901.
District heating: what is the figure for Aarburg?
In Aarburg, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
Share of foreign nationals: what is the figure for Aarburg?
In Aarburg, “Share of foreign nationals” stands at 45.8% (2025), ranking 29 of 1,811 municipalities; the national median is 18.9%.
How much electricity does a solar panel produce in Aarburg?
In Aarburg, a 1 kWp south-facing system tilted at 37° produces about 1,157 kWh a year.
Which municipalities border Aarburg?
The nearest to Aarburg are Oftringen (1.8 km), Rothrist (2.4 km), Boningen (3.5 km), Wangen bei Olten (3.6 km), Starrkirch-Wil (3.6 km).