Municipality · canton of Aargau
Aarau
District of Aarau. Municipality number 4001 in the federal register.
- residents, 2025
- 22’932
- km² of land
- 12.34
- residents per km²
- 1’858
- Canton
- Aargau
- District
- Aarau
- Residents 2025
- 22’932+1.0% on 2024
- Foreign residents
- 23.5%5’383 people
- Private households 2025
- 11’183
- Land area
- 12.34 km²without lakes
- Building insurance
- Compulsory, with Aargauische Gebäudeversicherung (the canton’s own insurer).0.405 ‰ of the insured value a year, plus the 5% federal stamp duty on the premium: CHF 421.50 per CHF 1 million.Tarif AGV, SAR 673.346 § 8 para. 2, read 12.10.2026; AGV, Prämienrechnung 2026 erklärt, read 12.10.2026
- Mortgage lenders
- 10 of 10lenders on MEconomy with no stated limit that excludes this canton
- Postcodes
- 5000, 5004, 5032
What a household pays here
Health insurance and electricity for your household in Aarau, against where you live today.
Sources: population and foreign residents on 31.12.2025 and private households 2025, Federal Statistical Office (STATPOP), on today’s municipal boundaries; municipalities, districts and land area without lakes, swisstopo swissTLMRegio; postcodes, swisstopo’s official locality register. Updated each September.