Municipality · canton of St. Gallen
Altstätten
District of Rheintal. Municipality number 3251 in the federal register.
- residents, 2025
- 12’788
- km² of land
- 39.46
- residents per km²
- 324
- Canton
- St. Gallen
- District
- Rheintal
- Residents 2025
- 12’788+1.6% on 2024
- Foreign residents
- 31.7%4’053 people
- Private households 2025
- 5’787
- Land area
- 39.46 km²without lakes
- Building insurance
- Compulsory, with Gebäudeversicherung St.Gallen (the canton’s own insurer).0.27 ‰ of the insured value a year, plus the 5% federal stamp duty on the premium: CHF 278.50 per CHF 1 million.Beschluss sGS 873.13 Ziff. 1, read 12.10.2026; Feuerschutzverordnung sGS 871.11 Art. 59, read 12.10.2026
- Mortgage lenders
- 10 of 10lenders on MEconomy with no stated limit that excludes this canton
- Postcodes
- 9058, 9450, 9452, 9453, 9463, 9464
What a household pays here
Health insurance and electricity for your household in Altstätten, 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.