9430 St. Margrethen SG (St. Margrethen): key figures
9430 St. Margrethen SG (postcode area in St. Margrethen) has 6,384 residents in 2025 across 6.5 km², or 979 people per km². Population: +15.8% between 2015 and 2025.
- 6,384 residents
- 6.5 km²
- 979 people/km²
9430 St. Margrethen SG in numbers
Key points
Nationally, 9430 St. Margrethen SG ranks No. 343 of 2,275 postcode areas.
Population of 9430 St. Margrethen SG over time
9430 St. Margrethen SG had 5,512 residents in 2015 and 6,384 in 2025.
| Year | Population |
|---|---|
| 2015 | 5,512 |
| 2020 | 5,692 |
| 2023 | 6,203 |
| 2025 | 6,384 |
All indicators for 9430 St. Margrethen SG
Next to the value for 9430 St. Margrethen SG: all postcode areas of St. Margrethen, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 9430 St. Margrethen SG | St. Margrethen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 3,160 | – | – | ranked 365 of 3,164 | ||
| Residential buildings (2026) | 1,120 | – | – | ranked 365 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 21.6% | 21.6% | 23.2% | ranked 2,020 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 24.2% | 24.2% | 23.6% | ranked 1,321 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 70.4% | 70.4% | 63.5% | ranked 1,535 of 3,160 |
Energy
| Indicator | 9430 St. Margrethen SG | St. Margrethen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 72.8% | 72.8% | 56.2% | ranked 392 of 3,160 | ||
| Heat pumps as main heating (2026) | 21.2% | 21.2% | 16.2% | ranked 828 of 3,160 | ||
| Wood heating systems (2026) | 3.8% | 3.8% | 13.5% | ranked 2,724 of 3,160 | ||
| District heating (2026) | 1.0% | 1.0% | 5.6% | ranked 1,476 of 3,160 |
Society
| Indicator | 9430 St. Margrethen SG | St. Margrethen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 53.1% | 53.1% | 29.8% | ranked 7 of 2,040 |
Where is 9430 St. Margrethen SG?
Postcode areas near 9430 St. Margrethen SG
Frequently asked questions
What is the population of 9430 St. Margrethen SG (St. Margrethen)?
9430 St. Margrethen SG has 6,384 residents in 2025. It covers 6.5 km², or 979 people per km².
Where is 9430 St. Margrethen SG?
9430 St. Margrethen SG (postcode area) is part of St. Margrethen, in St. Gallen.
What is the value of “Share of foreign nationals” in 9430 St. Margrethen SG?
Share of foreign nationals: 53.1% (2025), ranked 7 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 9430 St. Margrethen SG?
Dwellings: 3,160 (2026), ranked 365 of 3,164 postcode areas in the country.