8400 Winterthur (Winterthur): key figures
8400 Winterthur (postcode area in Winterthur) has 42,178 residents in 2025 across 17.3 km², or 2,432 people per km². By population, 8400 Winterthur ranks No. 1 of 7 postcode areas in Winterthur. Population: +8.5% between 2015 and 2025.
- 42,178 residents
- 17.3 km²
- 2,432 people/km²
8400 Winterthur in numbers
Key points
By population, 8400 Winterthur ranks No. 1 of 7 postcode areas in Winterthur.
Nationally, 8400 Winterthur ranks No. 1 of 2,275 postcode areas.
Population of 8400 Winterthur over time
8400 Winterthur had 38,857 residents in 2015 and 42,178 in 2025.
| Year | Population |
|---|---|
| 2015 | 38,857 |
| 2020 | 39,807 |
| 2023 | 41,542 |
| 2025 | 42,178 |
All indicators for 8400 Winterthur
Next to the value for 8400 Winterthur: all postcode areas of Winterthur, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 8400 Winterthur | Winterthur | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 22,594 | – | – | ranked 1 of 7 | ranked 4 of 3,164 | |
| Residential buildings (2026) | 6,043 | – | – | ranked 1 of 7 | ranked 1 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 39.2% | 24.5% | 23.2% | ranked 1 of 7 | ranked 931 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 17.0% | 24.9% | 23.6% | ranked 7 of 7 | ranked 2,018 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 49.9% | 55.2% | 63.5% | ranked 7 of 7 | ranked 2,810 of 3,160 |
Energy
| Indicator | 8400 Winterthur | Winterthur | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 62.6% | 63.1% | 56.2% | ranked 4 of 7 | ranked 874 of 3,160 | |
| Heat pumps as main heating (2026) | 15.8% | 19.4% | 16.2% | ranked 5 of 7 | ranked 1,243 of 3,160 | |
| Wood heating systems (2026) | 2.6% | 4.6% | 13.5% | ranked 7 of 7 | ranked 2,875 of 3,160 | |
| District heating (2026) | 18.5% | 11.9% | 5.6% | ranked 3 of 7 | ranked 159 of 3,160 |
Society
| Indicator | 8400 Winterthur | Winterthur | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 24.5% | 27.4% | 29.8% | ranked 5 of 7 | ranked 769 of 2,040 |
Where is 8400 Winterthur?
Other postcode areas in Winterthur
- 8404 Winterthur21,812 residents
- 8405 Winterthur18,979 residents
- 8408 Winterthur17,157 residents
- 8406 Winterthur14,723 residents
- 8409 Winterthur3,507 residents
- 8482 Sennhof (Winterthur)1,840 residents
Postcode areas near 8400 Winterthur
- 8406 Winterthur14,723 residents
- 8404 Winterthur21,812 residents
- 8408 Winterthur17,157 residents
- 8409 Winterthur3,507 residents
- 8405 Winterthur18,979 residents
- 8482 Sennhof (Winterthur)1,840 residents
Next in alphabetical order: 8404 Winterthur
Frequently asked questions
What is the population of 8400 Winterthur (Winterthur)?
8400 Winterthur has 42,178 residents in 2025. It covers 17.3 km², or 2,432 people per km².
Where is 8400 Winterthur?
8400 Winterthur (postcode area) is part of Winterthur, in Zurich.
What is the value of “Share of foreign nationals” in 8400 Winterthur?
Share of foreign nationals: 24.5% (2025), ranked 769 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 8400 Winterthur?
Dwellings: 22,594 (2026), ranked 4 of 3,164 postcode areas in the country.