Postcode area · Zullwil · Solothurn
4234 Zullwil (Zullwil): key figures
4234 Zullwil (postcode area in Zullwil) has 681 residents in 2025 across 3.6 km², or 187 people per km². Population: +10.9% between 2015 and 2025.
- 681 residents
- 3.6 km²
- 187 people/km²
4234 Zullwil in numbers
Population
681
ranked 1,853 of 2,275
+10.9%between 2015 and 2025
2015–2025
Population density
187people/km²
ranked 1,436 of 2,275
Area
3.6km²
ranked 2,568 of 3,168
Dwellings
352
ranked 2,267 of 3,164
Residential buildings
242
ranked 2,112 of 3,160
Dwellings in buildings built before 1946
24.1%
ranked 1,844 of 3,164
Dwellings in buildings built since 2001
22.7%
ranked 1,452 of 3,164
Key points
Nationally, 4234 Zullwil ranks No. 1,853 of 2,275 postcode areas.
Population of 4234 Zullwil over time
Population, 2015–2025
4234 Zullwil had 614 residents in 2015 and 681 in 2025.
| Year | Population |
|---|---|
| 2015 | 614 |
| 2020 | 648 |
| 2023 | 658 |
| 2025 | 681 |
All indicators for 4234 Zullwil
Next to the value for 4234 Zullwil: all postcode areas of Zullwil, then of the whole country (totals for counts, weighted averages for rates).
4234 ZullwilNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 4234 Zullwil | Zullwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 352 | – | – | ranked 2,267 of 3,164 | ||
| Residential buildings (2026) | 242 | – | – | ranked 2,112 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 24.1% | 24.1% | 23.2% | ranked 1,844 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 22.7% | 22.7% | 23.6% | ranked 1,452 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 79.8% | 79.8% | 63.5% | ranked 547 of 3,160 |
Energy
| Indicator | 4234 Zullwil | Zullwil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 68.7% | 68.7% | 56.2% | ranked 597 of 3,160 | ||
| Heat pumps as main heating (2026) | 9.6% | 9.6% | 16.2% | ranked 2,012 of 3,160 | ||
| Wood heating systems (2026) | 15.2% | 15.2% | 13.5% | ranked 1,643 of 3,160 | ||
| District heating (2026) | 2.5% | 2.5% | 5.6% | ranked 1,006 of 3,160 |
Where is 4234 Zullwil?
Frequently asked questions
What is the population of 4234 Zullwil (Zullwil)?
4234 Zullwil has 681 residents in 2025. It covers 3.6 km², or 187 people per km².
Where is 4234 Zullwil?
4234 Zullwil (postcode area) is part of Zullwil, in Solothurn.
What is the value of “Dwellings” in 4234 Zullwil?
Dwellings: 352 (2026), ranked 2,267 of 3,164 postcode areas in the country.
What is the value of “Residential buildings” in 4234 Zullwil?
Residential buildings: 242 (2026), ranked 2,112 of 3,160 postcode areas in the country.