4001 Basel (Basel): key figures
4001 Basel (postcode area in Basel) has 208 residents in 2025 across 0.1 km², or 3,467 people per km². By population, 4001 Basel ranks No. 11 of 11 postcode areas in Basel. Population: +18.9% between 2015 and 2025.
- 208 residents
- 0.1 km²
- 3,467 people/km²
4001 Basel in numbers
Key points
By population, 4001 Basel ranks No. 11 of 11 postcode areas in Basel.
Nationally, 4001 Basel ranks No. 2,223 of 2,275 postcode areas.
Population of 4001 Basel over time
4001 Basel had 175 residents in 2015 and 208 in 2025.
| Year | Population |
|---|---|
| 2015 | 175 |
| 2020 | 215 |
| 2023 | 224 |
| 2025 | 208 |
All indicators for 4001 Basel
Next to the value for 4001 Basel: all postcode areas of Basel, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 4001 Basel | Basel | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 339 | – | – | ranked 10 of 10 | ranked 2,309 of 3,164 | |
| Residential buildings (2026) | 41 | – | – | ranked 10 of 10 | ranked 3,129 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 64.0% | 37.1% | 23.2% | ranked 1 of 10 | ranked 175 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 0.6% | 8.8% | 23.6% | ranked 10 of 10 | ranked 3,128 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 14.6% | 36.5% | 63.5% | ranked 8 of 10 | ranked 3,138 of 3,160 |
Energy
| Indicator | 4001 Basel | Basel | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 24.4% | 43.6% | 56.2% | ranked 8 of 10 | ranked 2,764 of 3,160 | |
| Heat pumps as main heating (2026) | 2.4% | 8.6% | 16.2% | ranked 6 of 10 | ranked 2,983 of 3,160 | |
| Wood heating systems (2026) | 2.4% | 1.2% | 13.5% | ranked 2 of 10 | ranked 2,896 of 3,160 | |
| District heating (2026) | 68.3% | 45.9% | 5.6% | ranked 5 of 10 | ranked 12 of 3,160 |
Society
| Indicator | 4001 Basel | Basel | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 46.6% | 40.5% | 29.8% | ranked 2 of 11 | ranked 40 of 2,040 |
Where is 4001 Basel?
Other postcode areas in Basel
- 4058 Basel27,959 residents
- 4057 Basel26,346 residents
- 4055 Basel23,861 residents
- 4052 Basel22,713 residents
- 4053 Basel21,584 residents
- 4056 Basel21,329 residents
- 4054 Basel19,259 residents
- 4051 Basel9,645 residents
Postcode areas near 4001 Basel
- 4051 Basel9,645 residents
- 4031 Basel253 residents
- 4052 Basel22,713 residents
- 4055 Basel23,861 residents
- 4057 Basel26,346 residents
- 4056 Basel21,329 residents
Next in alphabetical order: 4031 Basel
Frequently asked questions
What is the population of 4001 Basel (Basel)?
4001 Basel has 208 residents in 2025. It covers 0.1 km², or 3,467 people per km².
Where is 4001 Basel?
4001 Basel (postcode area) is part of Basel, in Basel-Stadt.
What is the value of “Share of foreign nationals” in 4001 Basel?
Share of foreign nationals: 46.6% (2025), ranked 40 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4001 Basel?
Dwellings: 339 (2026), ranked 2,309 of 3,164 postcode areas in the country.