5000 Aarau (Aarau): key figures
5000 Aarau (postcode area in Aarau) has 16,141 residents in 2025 across 8.9 km², or 1,810 people per km². By population, 5000 Aarau ranks No. 1 of 3 postcode areas in Aarau. Population: +13.0% between 2015 and 2025.
- 16,141 residents
- 8.9 km²
- 1,810 people/km²
5000 Aarau in numbers
Key points
By population, 5000 Aarau ranks No. 1 of 3 postcode areas in Aarau.
Nationally, 5000 Aarau ranks No. 108 of 2,275 postcode areas.
Population of 5000 Aarau over time
5000 Aarau had 14,280 residents in 2015 and 16,141 in 2025.
| Year | Population |
|---|---|
| 2015 | 14,280 |
| 2020 | 15,369 |
| 2023 | 15,528 |
| 2025 | 16,141 |
All indicators for 5000 Aarau
Next to the value for 5000 Aarau: all postcode areas of Aarau, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 5000 Aarau | Aarau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 9,325 | – | – | ranked 1 of 3 | ranked 95 of 3,164 | |
| Residential buildings (2026) | 2,838 | – | – | ranked 1 of 3 | ranked 30 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 30.4% | 25.9% | 23.2% | ranked 1 of 3 | ranked 1,412 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 24.1% | 25.1% | 23.6% | ranked 2 of 3 | ranked 1,330 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 59.0% | 59.4% | 63.5% | ranked 2 of 3 | ranked 2,424 of 3,160 |
Energy
| Indicator | 5000 Aarau | Aarau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 67.5% | 67.3% | 56.2% | ranked 2 of 3 | ranked 643 of 3,160 | |
| Heat pumps as main heating (2026) | 21.8% | 21.8% | 16.2% | ranked 2 of 3 | ranked 791 of 3,160 | |
| Wood heating systems (2026) | 2.2% | 2.4% | 13.5% | ranked 2 of 3 | ranked 2,920 of 3,160 | |
| District heating (2026) | 6.1% | 6.2% | 5.6% | ranked 2 of 3 | ranked 579 of 3,160 |
Society
| Indicator | 5000 Aarau | Aarau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 21.1% | 24.1% | 29.8% | ranked 3 of 3 | ranked 1,010 of 2,040 |
Where is 5000 Aarau?
Other postcode areas in Aarau
Postcode areas near 5000 Aarau
- 5004 Aarau2,373 residents
- 5032 Aarau Rohr4,264 residents
- 5022 RombachKüttigen
- 5033 Buchs AGBuchs (AG)
- 5035 UnterentfeldenUnterentfelden
- 5034 SuhrSuhr
Next in alphabetical order: 5004 Aarau
Frequently asked questions
What is the population of 5000 Aarau (Aarau)?
5000 Aarau has 16,141 residents in 2025. It covers 8.9 km², or 1,810 people per km².
Where is 5000 Aarau?
5000 Aarau (postcode area) is part of Aarau, in Aargau.
What is the value of “Share of foreign nationals” in 5000 Aarau?
Share of foreign nationals: 21.1% (2025), ranked 1,010 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 5000 Aarau?
Dwellings: 9,325 (2026), ranked 95 of 3,164 postcode areas in the country.