La Sonnaz: population and statistics
La Sonnaz has a population of 1,481 (2025) across 7.0 km², or 213 people per km². It ranks 1,182 of 2,115 municipalities by population. Its population is growing: +37.4% between 2015 and 2025.
- 1,481 residents
- 7.0 km²
- 213 people/km²
- 613 m
Key points
Among the 121 municipalities in Fribourg, La Sonnaz ranks No. 63 by population.
Share of people aged 65 and over: 12.2% in La Sonnaz, compared with an average of 17.5% in Fribourg and 19.8% nationally.
Dwellings in buildings built since 2001: 45.1% in La Sonnaz, compared with an average of 33.7% in Fribourg and 24.6% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,247 kWh a year here.
La Sonnaz in numbers
Where is La Sonnaz?
Population of La Sonnaz over time
La Sonnaz had 1,078 residents in 2015 and 1,481 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,233 |
| 2021 | 1,318 |
| 2022 | 1,381 |
| 2023 | 1,406 |
| 2024 | 1,458 |
| 2025 | 1,481 |
Did you know?
- “Share of people aged 65 and over”: lower than in 99% of municipalities.
- “Dwellings in buildings built since 2001”: higher than in 97% of municipalities.
- “Jobs per 1,000 inhabitants”: lower than in 97% of municipalities.
- Its area is roughly equal to 975 football pitches.
- The nearest more populous municipality is Belfaux (3,488 residents), 1.2 km away.
- A 4 kWp rooftop solar system here would generate about 4,988 kWh a year, roughly what an average household uses.
All indicators for La Sonnaz
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 | La Sonnaz | Fribourg | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 12.2% | 17.5% | 20.7% | ranked 1,804 of 1,811 |
Housing
| Indicator | La Sonnaz | Fribourg | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 647 | 172,337 | 4,927,050 | ranked 1,334 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 16.2% | 19.9% | 23.3% | ranked 1,291 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 45.1% | 33.7% | 25.3% | ranked 56 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 75.9% | 62.3% | 69.5% | ranked 475 of 1,806 |
Energy
| Indicator | La Sonnaz | Fribourg | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 39.1% | 45.8% | 53.5% | ranked 1,393 of 1,806 | |
| Heat pumps as main heating (2026) | 37.6% | 23.6% | 13.7% | ranked 111 of 1,806 | |
| Wood heating systems (2026) | 9.3% | 10.8% | 12.4% | ranked 1,107 of 1,806 | |
| District heating (2026) | 7.4% | 10.2% | 1.4% | ranked 335 of 1,806 | |
| Photovoltaic installations (2026) | 138 | 21,752 | 329,600 | ranked 800 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 896.3 kW | 1,384 kW | 1,134 kW | ranked 1,256 of 1,806 | |
| Rooftop solar electricity potential (2026) | 13.2 GWh/year | 3,325 GWh/year | 64,783 GWh/year | ranked 1,341 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,879 kWh/inh. | 9,476 kWh/inh. | 9,356 kWh/inh. | ranked 1,002 of 1,810 |
Economy
| Indicator | La Sonnaz | Fribourg | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 77 | 24,434 | 728,011 | ranked 1,437 of 2,112 | |
| Entities listed in the commercial register (2026) | 85 | 25,674 | 762,757 | ranked 1,267 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 57.4 | 73.2 | 64.9 | ranked 1,235 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.1% | 67.8% | 65.7% | ranked 770 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 29.4% | 26.1% | 29.0% | ranked 865 of 1,808 |
Employment
| Indicator | La Sonnaz | Fribourg | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 202 | 167,232 | 5,679,518 | ranked 1,609 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 136.4 | 476.6 | 362.9 | ranked 1,760 of 1,810 | |
| Share of jobs in services (2024) | 50.5% | 66.0% | 63.6% | ranked 1,333 of 1,804 | |
| Share of jobs in industry and construction (2024) | 21.8% | 25.9% | 24.2% | ranked 995 of 1,776 |
Society
| Indicator | La Sonnaz | Fribourg | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.0% | 25.8% | 18.9% | ranked 1,056 of 1,811 |
Sunshine and temperatures: La Sonnaz
Frequently asked questions
What is the population of La Sonnaz?
La Sonnaz has 1,481 residents (2025), ranking 1,182 of 2,115 municipalities.
How big is La Sonnaz?
La Sonnaz covers 7.0 km², with a density of 213 people per km².
Is the population of La Sonnaz growing?
Between 2015 and 2025, the population of La Sonnaz went from 1,078 to 1,481, a change of +37.4%.
Where is La Sonnaz?
La Sonnaz is in Fribourg. It belongs to District de la Sarine (district). Latitude 46.834, longitude 7.109.
Share of people aged 65 and over: what is the figure for La Sonnaz?
In La Sonnaz, “Share of people aged 65 and over” stands at 12.2% (2025), ranking 1,804 of 1,811 municipalities; the national median is 20.7%.
Dwellings in buildings built since 2001: what is the figure for La Sonnaz?
In La Sonnaz, “Dwellings in buildings built since 2001” stands at 45.1% (2026), ranking 56 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in La Sonnaz?
In La Sonnaz, a 1 kWp south-facing system tilted at 39° produces about 1,247 kWh a year.
Which municipalities border La Sonnaz?
The nearest to La Sonnaz are Belfaux (1.2 km), Givisiez (2.7 km), Grolley-Ponthaux (3.2 km), Misery-Courtion (3.7 km), Granges-Paccot (3.7 km).