1004 Lausanne (Lausanne): key figures
1004 Lausanne (postcode area in Lausanne) has 31,947 residents in 2025 across 2.3 km², or 14,136 people per km². By population, 1004 Lausanne ranks No. 1 of 10 postcode areas in Lausanne. Population: +4.6% between 2015 and 2025.
- 31,947 residents
- 2.3 km²
- 14,136 people/km²
1004 Lausanne in numbers
Key points
By population, 1004 Lausanne ranks No. 1 of 10 postcode areas in Lausanne.
Nationally, 1004 Lausanne ranks No. 14 of 2,275 postcode areas.
Population of 1004 Lausanne over time
1004 Lausanne had 30,556 residents in 2015 and 31,947 in 2025.
| Year | Population |
|---|---|
| 2015 | 30,556 |
| 2020 | 31,695 |
| 2023 | 32,084 |
| 2025 | 31,947 |
All indicators for 1004 Lausanne
Next to the value for 1004 Lausanne: all postcode areas of Lausanne, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 1004 Lausanne | Lausanne | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 19,247 | – | – | ranked 1 of 9 | ranked 9 of 3,164 | |
| Residential buildings (2026) | 1,454 | – | – | ranked 1 of 9 | ranked 216 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 37.4% | 33.6% | 23.2% | ranked 4 of 9 | ranked 1,019 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 10.8% | 14.2% | 23.6% | ranked 6 of 9 | ranked 2,502 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 9.8% | 25.7% | 63.5% | ranked 7 of 9 | ranked 3,146 of 3,160 |
Energy
| Indicator | 1004 Lausanne | Lausanne | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 87.6% | 74.1% | 56.2% | ranked 2 of 9 | ranked 35 of 3,160 | |
| Heat pumps as main heating (2026) | 1.4% | 2.8% | 16.2% | ranked 6 of 9 | ranked 3,064 of 3,160 | |
| Wood heating systems (2026) | 1.3% | 1.9% | 13.5% | ranked 2 of 9 | ranked 3,028 of 3,160 | |
| District heating (2026) | 7.8% | 19.2% | 5.6% | ranked 7 of 9 | ranked 472 of 3,160 |
Society
| Indicator | 1004 Lausanne | Lausanne | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 43.5% | 43.1% | 29.8% | ranked 5 of 10 | ranked 78 of 2,040 |
Where is 1004 Lausanne?
Other postcode areas in Lausanne
- 1018 Lausanne23,969 residents
- 1007 Lausanne22,991 residents
- 1010 Lausanne15,470 residents
- 1006 Lausanne15,378 residents
- 1005 Lausanne12,530 residents
- 1012 Lausanne12,177 residents
- 1003 Lausanne6,397 residents
- 1000 Lausanne 263,937 residents
Postcode areas near 1004 Lausanne
- 1018 Lausanne23,969 residents
- 1007 Lausanne22,991 residents
- 1003 Lausanne6,397 residents
- 1011 Lausanne198 residents
- 1005 Lausanne12,530 residents
- 1006 Lausanne15,378 residents
Previous in alphabetical order: 1003 Lausanne
Next in alphabetical order: 1005 Lausanne
Frequently asked questions
What is the population of 1004 Lausanne (Lausanne)?
1004 Lausanne has 31,947 residents in 2025. It covers 2.3 km², or 14,136 people per km².
Where is 1004 Lausanne?
1004 Lausanne (postcode area) is part of Lausanne, in Vaud.
What is the value of “Share of foreign nationals” in 1004 Lausanne?
Share of foreign nationals: 43.5% (2025), ranked 78 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 1004 Lausanne?
Dwellings: 19,247 (2026), ranked 9 of 3,164 postcode areas in the country.