9444 Diepoldsau (Diepoldsau): key figures
9444 Diepoldsau (postcode area in Diepoldsau) has 6,635 residents in 2025 across 8.6 km², or 774 people per km². Population: +10.5% between 2015 and 2025.
- 6,635 residents
- 8.6 km²
- 774 people/km²
9444 Diepoldsau in numbers
Key points
Nationally, 9444 Diepoldsau ranks No. 326 of 2,275 postcode areas.
Population of 9444 Diepoldsau over time
9444 Diepoldsau had 6,007 residents in 2015 and 6,635 in 2025.
| Year | Population |
|---|---|
| 2015 | 6,007 |
| 2020 | 6,170 |
| 2023 | 6,601 |
| 2025 | 6,635 |
All indicators for 9444 Diepoldsau
Next to the value for 9444 Diepoldsau: all postcode areas of Diepoldsau, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 9444 Diepoldsau | Diepoldsau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 2,977 | – | – | ranked 386 of 3,164 | ||
| Residential buildings (2026) | 1,545 | – | – | ranked 192 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 14.3% | 14.3% | 23.2% | ranked 2,589 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 38.5% | 38.5% | 23.6% | ranked 284 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 80.0% | 80.0% | 63.5% | ranked 527 of 3,160 |
Energy
| Indicator | 9444 Diepoldsau | Diepoldsau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 57.1% | 57.1% | 56.2% | ranked 1,149 of 3,160 | ||
| Heat pumps as main heating (2026) | 28.7% | 28.7% | 16.2% | ranked 444 of 3,160 | ||
| Wood heating systems (2026) | 5.7% | 5.7% | 13.5% | ranked 2,493 of 3,160 | ||
| District heating (2026) | 6.3% | 6.3% | 5.6% | ranked 565 of 3,160 |
Society
| Indicator | 9444 Diepoldsau | Diepoldsau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 28.4% | 28.4% | 29.8% | ranked 546 of 2,040 |
Where is 9444 Diepoldsau?
Frequently asked questions
What is the population of 9444 Diepoldsau (Diepoldsau)?
9444 Diepoldsau has 6,635 residents in 2025. It covers 8.6 km², or 774 people per km².
Where is 9444 Diepoldsau?
9444 Diepoldsau (postcode area) is part of Diepoldsau, in St. Gallen.
What is the value of “Share of foreign nationals” in 9444 Diepoldsau?
Share of foreign nationals: 28.4% (2025), ranked 546 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 9444 Diepoldsau?
Dwellings: 2,977 (2026), ranked 386 of 3,164 postcode areas in the country.