Postcode area · Neckertal · St. Gallen
9621 Oberhelfenschwil (Neckertal): key figures
9621 Oberhelfenschwil (postcode area in Neckertal): key figures and indicators.
- 8.6 km²
9621 Oberhelfenschwil in numbers
Area
8.6km²
ranked 1,361 of 3,168
Share of foreign nationals
10.3%
ranked 1,805 of 2,040
Dwellings
467
ranked 1,975 of 3,164
Residential buildings
339
ranked 1,663 of 3,160
Dwellings in buildings built before 1946
28.9%
ranked 1,504 of 3,164
All indicators for 9621 Oberhelfenschwil
Next to the value for 9621 Oberhelfenschwil: all postcode areas of Neckertal, then of the whole country (totals for counts, weighted averages for rates).
9621 OberhelfenschwilNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 9621 Oberhelfenschwil | Neckertal | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 467 | – | – | ranked 5 of 10 | ranked 1,975 of 3,164 | |
| Residential buildings (2026) | 339 | – | – | ranked 3 of 10 | ranked 1,663 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 28.9% | 48.0% | 23.2% | ranked 10 of 10 | ranked 1,504 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 15.0% | 12.5% | 23.6% | ranked 2 of 10 | ranked 2,194 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 80.8% | 79.6% | 63.5% | ranked 5 of 10 | ranked 473 of 3,160 |
Energy
| Indicator | 9621 Oberhelfenschwil | Neckertal | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 22.0% | 23.4% | 56.2% | ranked 6 of 10 | ranked 2,823 of 3,160 | |
| Heat pumps as main heating (2026) | 34.7% | 26.2% | 16.2% | ranked 2 of 10 | ranked 250 of 3,160 | |
| Wood heating systems (2026) | 30.3% | 37.3% | 13.5% | ranked 8 of 10 | ranked 785 of 3,160 | |
| District heating (2026) | 8.3% | 4.7% | 5.6% | ranked 2 of 10 | ranked 451 of 3,160 |
Society
| Indicator | 9621 Oberhelfenschwil | Neckertal | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 10.3% | 11.5% | 29.8% | ranked 3 of 4 | ranked 1,805 of 2,040 |
Where is 9621 Oberhelfenschwil?
Other postcode areas in Neckertal
- 9105 Schönengrund
- 9114 Hoffeld
- 9115 Dicken
- 9122 Mogelsberg
- 9123 Nassen
- 9125 Brunnadern
- 9126 Necker
- 9127 St. Peterzell
Postcode areas near 9621 Oberhelfenschwil
Previous in alphabetical order: 9127 St. Peterzell
Next in alphabetical order: 9633 Hemberg
Frequently asked questions
Where is 9621 Oberhelfenschwil?
9621 Oberhelfenschwil (postcode area) is part of Neckertal, in St. Gallen.
What is the value of “Share of foreign nationals” in 9621 Oberhelfenschwil?
Share of foreign nationals: 10.3% (2025), ranked 1,805 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 9621 Oberhelfenschwil?
Dwellings: 467 (2026), ranked 1,975 of 3,164 postcode areas in the country.