Postcode area · Zuchwil · Solothurn
4528 Zuchwil (Zuchwil): key figures
4528 Zuchwil (postcode area in Zuchwil) has 9,460 residents in 2025 across 5.2 km², or 1,816 people per km². Population: +10.1% between 2015 and 2025.
- 9,460 residents
- 5.2 km²
- 1,816 people/km²
4528 Zuchwil in numbers
Population
9,460
ranked 227 of 2,275
+10.1%between 2015 and 2025
2015–2025
Population density
1,816people/km²
ranked 174 of 2,275
Area
5.2km²
ranked 2,112 of 3,168
Share of foreign nationals
44.7%
ranked 67 of 2,040
Dwellings
5,344
ranked 204 of 3,164
Residential buildings
1,311
ranked 265 of 3,160
Dwellings in buildings built before 1946
15.3%
ranked 2,514 of 3,164
Key points
Nationally, 4528 Zuchwil ranks No. 227 of 2,275 postcode areas.
Population of 4528 Zuchwil over time
Population, 2015–2025
4528 Zuchwil had 8,592 residents in 2015 and 9,460 in 2025.
| Year | Population |
|---|---|
| 2015 | 8,592 |
| 2020 | 8,836 |
| 2023 | 9,243 |
| 2025 | 9,460 |
All indicators for 4528 Zuchwil
Next to the value for 4528 Zuchwil: all postcode areas of Zuchwil, then of the whole country (totals for counts, weighted averages for rates).
4528 ZuchwilNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 4528 Zuchwil | Zuchwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 5,344 | – | – | ranked 204 of 3,164 | ||
| Residential buildings (2026) | 1,311 | – | – | ranked 265 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 15.3% | 15.3% | 23.2% | ranked 2,514 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 15.1% | 15.1% | 23.6% | ranked 2,183 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 54.2% | 54.2% | 63.5% | ranked 2,668 of 3,160 |
Energy
| Indicator | 4528 Zuchwil | Zuchwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 64.1% | 64.1% | 56.2% | ranked 798 of 3,160 | ||
| Heat pumps as main heating (2026) | 16.0% | 16.0% | 16.2% | ranked 1,226 of 3,160 | ||
| Wood heating systems (2026) | 1.8% | 1.8% | 13.5% | ranked 2,972 of 3,160 | ||
| District heating (2026) | 17.2% | 17.2% | 5.6% | ranked 190 of 3,160 |
Society
| Indicator | 4528 Zuchwil | Zuchwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 44.7% | 44.7% | 29.8% | ranked 67 of 2,040 |
Where is 4528 Zuchwil?
Frequently asked questions
What is the population of 4528 Zuchwil (Zuchwil)?
4528 Zuchwil has 9,460 residents in 2025. It covers 5.2 km², or 1,816 people per km².
Where is 4528 Zuchwil?
4528 Zuchwil (postcode area) is part of Zuchwil, in Solothurn.
What is the value of “Share of foreign nationals” in 4528 Zuchwil?
Share of foreign nationals: 44.7% (2025), ranked 67 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4528 Zuchwil?
Dwellings: 5,344 (2026), ranked 204 of 3,164 postcode areas in the country.