3603 Thun (Thun): key figures
3603 Thun (postcode area in Thun) has 2,918 residents in 2025 across 1.3 km², or 2,194 people per km². By population, 3603 Thun ranks No. 4 of 6 postcode areas in Thun. Population: −0.4% between 2015 and 2025.
- 2,918 residents
- 1.3 km²
- 2,194 people/km²
3603 Thun in numbers
Key points
By population, 3603 Thun ranks No. 4 of 6 postcode areas in Thun.
Nationally, 3603 Thun ranks No. 793 of 2,275 postcode areas.
Population of 3603 Thun over time
3603 Thun had 2,930 residents in 2015 and 2,918 in 2025.
| Year | Population |
|---|---|
| 2015 | 2,930 |
| 2020 | 2,991 |
| 2023 | 2,989 |
| 2025 | 2,918 |
All indicators for 3603 Thun
Next to the value for 3603 Thun: all postcode areas of Thun, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 3603 Thun | Thun | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 1,457 | – | – | ranked 4 of 6 | ranked 863 of 3,164 | |
| Residential buildings (2026) | 461 | – | – | ranked 5 of 6 | ranked 1,251 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 25.4% | 21.9% | 23.2% | ranked 3 of 6 | ranked 1,748 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 20.8% | 14.5% | 23.6% | ranked 1 of 6 | ranked 1,646 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 45.1% | 49.7% | 63.5% | ranked 5 of 6 | ranked 2,917 of 3,160 |
Energy
| Indicator | 3603 Thun | Thun | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 72.1% | 70.4% | 56.2% | ranked 2 of 6 | ranked 435 of 3,160 | |
| Heat pumps as main heating (2026) | 16.7% | 19.8% | 16.2% | ranked 6 of 6 | ranked 1,170 of 3,160 | |
| Wood heating systems (2026) | 2.0% | 4.4% | 13.5% | ranked 4 of 6 | ranked 2,947 of 3,160 | |
| District heating (2026) | 5.9% | 3.0% | 5.6% | ranked 2 of 6 | ranked 597 of 3,160 |
Society
| Indicator | 3603 Thun | Thun | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 22.9% | 17.7% | 29.8% | ranked 1 of 6 | ranked 877 of 2,040 |
Where is 3603 Thun?
Other postcode areas in Thun
- 3600 Thun17,479 residents
- 3604 Thun15,720 residents
- 3645 Gwatt (Thun)4,461 residents
- 3608 Thun2,395 residents
- 3624 Goldiwil (Thun)1,497 residents
Postcode areas near 3603 Thun
- 3600 Thun17,479 residents
- 3608 Thun2,395 residents
- 3604 Thun15,720 residents
- 3645 Gwatt (Thun)4,461 residents
- 3624 Goldiwil (Thun)1,497 residents
- 3613 SteffisburgSteffisburg
Previous in alphabetical order: 3600 Thun
Next in alphabetical order: 3604 Thun
Frequently asked questions
What is the population of 3603 Thun (Thun)?
3603 Thun has 2,918 residents in 2025. It covers 1.3 km², or 2,194 people per km².
Where is 3603 Thun?
3603 Thun (postcode area) is part of Thun, in Bern.
What is the value of “Share of foreign nationals” in 3603 Thun?
Share of foreign nationals: 22.9% (2025), ranked 877 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 3603 Thun?
Dwellings: 1,457 (2026), ranked 863 of 3,164 postcode areas in the country.