9527 Niederhelfenschwil (Niederhelfenschwil): key figures
9527 Niederhelfenschwil (postcode area in Niederhelfenschwil) has 1,349 residents in 2025 across 6.6 km², or 203 people per km². By population, 9527 Niederhelfenschwil ranks No. 1 of 3 postcode areas in Niederhelfenschwil. Population: +11.5% between 2015 and 2025.
- 1,349 residents
- 6.6 km²
- 203 people/km²
9527 Niederhelfenschwil in numbers
Key points
By population, 9527 Niederhelfenschwil ranks No. 1 of 3 postcode areas in Niederhelfenschwil.
Nationally, 9527 Niederhelfenschwil ranks No. 1,367 of 2,275 postcode areas.
Population of 9527 Niederhelfenschwil over time
9527 Niederhelfenschwil had 1,210 residents in 2015 and 1,349 in 2025.
| Year | Population |
|---|---|
| 2015 | 1,210 |
| 2020 | 1,287 |
| 2023 | 1,330 |
| 2025 | 1,349 |
All indicators for 9527 Niederhelfenschwil
Next to the value for 9527 Niederhelfenschwil: all postcode areas of Niederhelfenschwil, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 9527 Niederhelfenschwil | Niederhelfenschwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 565 | – | – | ranked 1 of 3 | ranked 1,739 of 3,164 | |
| Residential buildings (2026) | 361 | – | – | ranked 1 of 3 | ranked 1,577 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 20.5% | 18.5% | 23.2% | ranked 2 of 3 | ranked 2,097 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 37.2% | 35.5% | 23.6% | ranked 2 of 3 | ranked 350 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 79.2% | 80.3% | 63.5% | ranked 3 of 3 | ranked 597 of 3,160 |
Energy
| Indicator | 9527 Niederhelfenschwil | Niederhelfenschwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 50.7% | 51.0% | 56.2% | ranked 3 of 3 | ranked 1,504 of 3,160 | |
| Heat pumps as main heating (2026) | 37.0% | 37.5% | 16.2% | ranked 2 of 3 | ranked 201 of 3,160 | |
| Wood heating systems (2026) | 11.7% | 10.8% | 13.5% | ranked 2 of 3 | ranked 1,912 of 3,160 | |
| District heating (2026) | 0.3% | 0.1% | 5.6% | ranked 1 of 3 | ranked 2,015 of 3,160 |
Society
| Indicator | 9527 Niederhelfenschwil | Niederhelfenschwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 11.6% | 11.3% | 29.8% | ranked 2 of 3 | ranked 1,728 of 2,040 |
Where is 9527 Niederhelfenschwil?
Other postcode areas in Niederhelfenschwil
Postcode areas near 9527 Niederhelfenschwil
- 9526 Zuckenriet1,121 residents
- 9525 Lenggenwil797 residents
- 9246 NiederbürenNiederbüren
- 9223 SchweizersholzBischofszell
- 9245 OberbürenOberbüren
- 9217 Neukirch an der ThurKradolf-Schönenberg
Previous in alphabetical order: 9526 Zuckenriet
Frequently asked questions
What is the population of 9527 Niederhelfenschwil (Niederhelfenschwil)?
9527 Niederhelfenschwil has 1,349 residents in 2025. It covers 6.6 km², or 203 people per km².
Where is 9527 Niederhelfenschwil?
9527 Niederhelfenschwil (postcode area) is part of Niederhelfenschwil, in St. Gallen.
What is the value of “Share of foreign nationals” in 9527 Niederhelfenschwil?
Share of foreign nationals: 11.6% (2025), ranked 1,728 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 9527 Niederhelfenschwil?
Dwellings: 565 (2026), ranked 1,739 of 3,164 postcode areas in the country.