Zullwil: population and statistics
Zullwil has a population of 704 (2025) across 3.6 km², or 194 people per km². It ranks 1,654 of 2,115 municipalities by population. Its population is growing: +10.3% between 2015 and 2025.
- 704 residents
- 3.6 km²
- 194 people/km²
- 602 m
Key points
Among the 106 municipalities in Solothurn, Zullwil ranks No. 90 by population.
Jobs per 1,000 inhabitants: 132.1 in Zullwil, compared with an average of 520.0 in Solothurn and 622.5 nationally.
Share of sole proprietorships among registered entities: 42.9% in Zullwil, compared with an average of 29.3% in Solothurn and 26.1% nationally.
A 1 kWp solar panel tilted at 36° generates about 1,117 kWh a year here.
Zullwil in numbers
Where is Zullwil?
Population of Zullwil over time
Zullwil had 638 residents in 2015 and 704 in 2025.
| Year | Population |
|---|---|
| 2020 | 657 |
| 2021 | 650 |
| 2022 | 660 |
| 2023 | 675 |
| 2024 | 701 |
| 2025 | 704 |
Did you know?
- “Jobs per 1,000 inhabitants”: lower than in 97% of municipalities.
- “Share of sole proprietorships among registered entities”: higher than in 95% of municipalities.
- Its area is roughly equal to 508 football pitches.
- The nearest municipality is Meltingen, 0.8 km away.
- The nearest more populous municipality is Nunningen (1,948 residents), 1.4 km away.
- A 4 kWp rooftop solar system here would generate about 4,468 kWh a year, roughly what an average household uses.
All indicators for Zullwil
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Zullwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.4% | 21.7% | 20.7% | ranked 955 of 1,811 |
Housing
| Indicator | Zullwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 353 | 148,900 | 4,927,050 | ranked 1,695 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 24.4% | 22.0% | 23.3% | ranked 839 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 22.7% | 21.9% | 25.3% | ranked 1,068 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 79.8% | 70.1% | 69.5% | ranked 228 of 1,806 |
Energy
| Indicator | Zullwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 68.3% | 72.7% | 53.5% | ranked 412 of 1,806 | |
| Heat pumps as main heating (2026) | 9.6% | 11.4% | 13.7% | ranked 1,278 of 1,806 | |
| Wood heating systems (2026) | 15.6% | 8.1% | 12.4% | ranked 735 of 1,806 | |
| District heating (2026) | 2.5% | 2.7% | 1.4% | ranked 706 of 1,806 | |
| Photovoltaic installations (2026) | 31 | 11,211 | 329,600 | ranked 1,810 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 654.4 kW | 1,095 kW | 1,134 kW | ranked 1,527 of 1,806 | |
| Rooftop solar electricity potential (2026) | 5.8 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 1,860 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,196 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 1,135 of 1,810 |
Economy
| Indicator | Zullwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 43 | 18,596 | 728,011 | ranked 1,770 of 2,112 | |
| Entities listed in the commercial register (2026) | 42 | 18,362 | 762,757 | ranked 1,676 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 59.7 | 63.0 | 64.9 | ranked 1,128 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 54.8% | 65.9% | 65.7% | ranked 1,613 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 42.9% | 29.3% | 29.0% | ranked 95 of 1,808 |
Employment
| Indicator | Zullwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 93 | 151,633 | 5,679,518 | ranked 1,897 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 132.1 | 520.0 | 362.9 | ranked 1,763 of 1,810 | |
| Share of jobs in services (2024) | 50.5% | 67.4% | 63.6% | ranked 1,332 of 1,804 | |
| Share of jobs in industry and construction (2024) | 34.4% | 27.9% | 24.2% | ranked 466 of 1,776 |
Society
| Indicator | Zullwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.6% | 25.9% | 18.9% | ranked 1,018 of 1,811 |
Sunshine and temperatures: Zullwil
Frequently asked questions
What is the population of Zullwil?
Zullwil has 704 residents (2025), ranking 1,654 of 2,115 municipalities.
How big is Zullwil?
Zullwil covers 3.6 km², with a density of 194 people per km².
Is the population of Zullwil growing?
Between 2015 and 2025, the population of Zullwil went from 638 to 704, a change of +10.3%.
Where is Zullwil?
Zullwil is in Solothurn. It belongs to Bezirk Thierstein (district). Latitude 47.391, longitude 7.601.
Jobs per 1,000 inhabitants: what is the figure for Zullwil?
In Zullwil, “Jobs per 1,000 inhabitants” stands at 132.1 (2024), ranking 1,763 of 1,810 municipalities; the national median is 362.9.
Share of sole proprietorships among registered entities: what is the figure for Zullwil?
In Zullwil, “Share of sole proprietorships among registered entities” stands at 42.9% (2026), ranking 95 of 1,808 municipalities; the national median is 29.0%.
How much electricity does a solar panel produce in Zullwil?
In Zullwil, a 1 kWp south-facing system tilted at 36° produces about 1,117 kWh a year.
Which municipalities border Zullwil?
The nearest to Zullwil are Meltingen (0.8 km), Nunningen (1.4 km), Fehren (1.7 km), Beinwil (SO) (3.2 km), Himmelried (3.4 km).