Location map: Belfaux
Municipality · District de la Sarine · Fribourg

Belfaux: population and statistics

Belfaux has a population of 3,488 (2025) across 6.4 km², or 542 people per km². It ranks 635 of 2,115 municipalities by population. Its population is growing: +6.1% between 2015 and 2025.

  • 3,488 residents
  • 6.4 km²
  • 542 people/km²
  • 613 m

Key points

Among the 121 municipalities in Fribourg, Belfaux ranks No. 24 by population.

Share of people aged 65 and over: 14.9% in Belfaux, compared with an average of 17.5% in Fribourg and 19.8% nationally.

Share of foreign nationals: 35.4% in Belfaux, compared with an average of 25.8% in Fribourg and 27.7% nationally.

A 1 kWp solar panel tilted at 39° generates about 1,247 kWh a year here.

Belfaux in numbers

Population
3,488
ranked 635 of 2,115
+6.1%over 10 years
2015–2025
Population density
542people/km²
ranked 509 of 1,806
Area
6.4km²
ranked 1,290 of 2,110
Elevation
613m
ranked 727 of 2,114
Share of people aged 65 and over
14.9%
ranked 1,714 of 1,811
Share of foreign nationals
35.4%
ranked 145 of 1,811
District heating
10.2%
ranked 226 of 1,806
Dwellings in buildings built since 2001
35.1%
ranked 328 of 1,806

Where is Belfaux?

Population of Belfaux over time

3,2003,3003,4003,500201520172019202120232025
Population, 2015–2025

Belfaux had 3,288 residents in 2015 and 3,488 in 2025.

YearPopulation
20203,342
20213,356
20223,406
20233,470
20243,452
20253,488

Did you know?

All indicators for Belfaux

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.

BelfauxNational medianHover over or tap a bar to see what it shows.

Population

IndicatorBelfauxFribourgNationalPosition?Rank
Share of people aged 65 and over (2025)14.9%17.5%20.7%ranked 1,714 of 1,811

Housing

IndicatorBelfauxFribourgNationalPosition?Rank
Dwellings (2026)1,599172,3374,927,050ranked 745 of 2,108
Dwellings in buildings built before 1946 (2026)15.9%19.9%23.3%ranked 1,306 of 1,806
Dwellings in buildings built since 2001 (2026)35.1%33.7%25.3%ranked 328 of 1,806
Share of single-family houses among residential buildings (2026)63.6%62.3%69.5%ranked 1,215 of 1,806

Energy

IndicatorBelfauxFribourgNationalPosition?Rank
Oil or gas heating systems (2026)47.6%45.8%53.5%ranked 1,123 of 1,806
Heat pumps as main heating (2026)26.0%23.6%13.7%ranked 344 of 1,806
Wood heating systems (2026)5.8%10.8%12.4%ranked 1,372 of 1,806
District heating (2026)10.2%10.2%1.4%ranked 226 of 1,806
Photovoltaic installations (2026)20021,752329,600ranked 515 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)825.5 kW1,384 kW1,134 kWranked 1,334 of 1,806
Rooftop solar electricity potential (2026)24.4 GWh/year3,325 GWh/year64,783 GWh/yearranked 864 of 2,114
Rooftop solar potential per inhabitant (2026)6,987 kWh/inh.9,476 kWh/inh.9,356 kWh/inh.ranked 1,384 of 1,810

Economy

IndicatorBelfauxFribourgNationalPosition?Rank
Establishments (2024)18024,434728,011ranked 843 of 2,112
Entities listed in the commercial register (2026)23325,674762,757ranked 653 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)66.873.264.9ranked 832 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)69.5%67.8%65.7%ranked 556 of 1,808
Share of sole proprietorships among registered entities (2026)26.2%26.1%29.0%ranked 1,148 of 1,808

Employment

IndicatorBelfauxFribourgNationalPosition?Rank
Jobs (2024)851167,2325,679,518ranked 901 of 2,111
Jobs per 1,000 inhabitants (2024)244.0476.6362.9ranked 1,390 of 1,810
Share of jobs in services (2024)61.6%66.0%63.6%ranked 967 of 1,804
Share of jobs in industry and construction (2024)29.5%25.9%24.2%ranked 646 of 1,776

Society

IndicatorBelfauxFribourgNationalPosition?Rank
Share of foreign nationals (2025)35.4%25.8%18.9%ranked 145 of 1,811

Sunshine and temperatures: Belfaux

Annual solar output
1,247kWh
for 1 kWp tilted at 39°
Warmest month
18.5°C
July
Coldest month
−0.3°C
January
Most productive month
139kWh
July

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Frequently asked questions

What is the population of Belfaux?

Belfaux has 3,488 residents (2025), ranking 635 of 2,115 municipalities.

How big is Belfaux?

Belfaux covers 6.4 km², with a density of 542 people per km².

Is the population of Belfaux growing?

Between 2015 and 2025, the population of Belfaux went from 3,288 to 3,488, a change of +6.1%.

Where is Belfaux?

Belfaux is in Fribourg. It belongs to District de la Sarine (district). Latitude 46.829, longitude 7.095.

Share of people aged 65 and over: what is the figure for Belfaux?

In Belfaux, “Share of people aged 65 and over” stands at 14.9% (2025), ranking 1,714 of 1,811 municipalities; the national median is 20.7%.

Share of foreign nationals: what is the figure for Belfaux?

In Belfaux, “Share of foreign nationals” stands at 35.4% (2025), ranking 145 of 1,811 municipalities; the national median is 18.9%.

How much electricity does a solar panel produce in Belfaux?

In Belfaux, a 1 kWp south-facing system tilted at 39° produces about 1,247 kWh a year.

Which municipalities border Belfaux?

The nearest to Belfaux are La Sonnaz (1.2 km), Grolley-Ponthaux (2.2 km), Misery-Courtion (3.2 km), Givisiez (3.2 km), Corminboeuf (3.2 km).