4057 Basel (Basel): key figures
4057 Basel (postcode area in Basel) has 26,346 residents in 2025 across 3.6 km², or 7,278 people per km². By population, 4057 Basel ranks No. 2 of 11 postcode areas in Basel. Population: −3.1% between 2015 and 2025.
- 26,346 residents
- 3.6 km²
- 7,278 people/km²
4057 Basel in numbers
Key points
By population, 4057 Basel ranks No. 2 of 11 postcode areas in Basel.
Nationally, 4057 Basel ranks No. 26 of 2,275 postcode areas.
Population of 4057 Basel over time
4057 Basel had 27,176 residents in 2015 and 26,346 in 2025.
| Year | Population |
|---|---|
| 2015 | 27,176 |
| 2020 | 26,564 |
| 2023 | 25,813 |
| 2025 | 26,346 |
All indicators for 4057 Basel
Next to the value for 4057 Basel: all postcode areas of Basel, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 4057 Basel | Basel | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 16,128 | – | – | ranked 2 of 10 | ranked 20 of 3,164 | |
| Residential buildings (2026) | 1,865 | – | – | ranked 5 of 10 | ranked 120 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 34.9% | 37.1% | 23.2% | ranked 7 of 10 | ranked 1,168 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 5.1% | 8.8% | 23.6% | ranked 7 of 10 | ranked 2,927 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 10.5% | 36.5% | 63.5% | ranked 10 of 10 | ranked 3,145 of 3,160 |
Energy
| Indicator | 4057 Basel | Basel | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 25.8% | 43.6% | 56.2% | ranked 7 of 10 | ranked 2,724 of 3,160 | |
| Heat pumps as main heating (2026) | 2.0% | 8.6% | 16.2% | ranked 7 of 10 | ranked 3,013 of 3,160 | |
| Wood heating systems (2026) | 1.2% | 1.2% | 13.5% | ranked 7 of 10 | ranked 3,046 of 3,160 | |
| District heating (2026) | 70.6% | 45.9% | 5.6% | ranked 3 of 10 | ranked 8 of 3,160 |
Society
| Indicator | 4057 Basel | Basel | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 52.2% | 40.5% | 29.8% | ranked 1 of 11 | ranked 12 of 2,040 |
Where is 4057 Basel?
Other postcode areas in Basel
- 4058 Basel27,959 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
- 4059 Basel6,912 residents
Postcode areas near 4057 Basel
- 4031 Basel253 residents
- 4058 Basel27,959 residents
- 4056 Basel21,329 residents
- 4001 Basel208 residents
- 4051 Basel9,645 residents
- 4055 Basel23,861 residents
Previous in alphabetical order: 4056 Basel
Next in alphabetical order: 4058 Basel
Frequently asked questions
What is the population of 4057 Basel (Basel)?
4057 Basel has 26,346 residents in 2025. It covers 3.6 km², or 7,278 people per km².
Where is 4057 Basel?
4057 Basel (postcode area) is part of Basel, in Basel-Stadt.
What is the value of “Share of foreign nationals” in 4057 Basel?
Share of foreign nationals: 52.2% (2025), ranked 12 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4057 Basel?
Dwellings: 16,128 (2026), ranked 20 of 3,164 postcode areas in the country.