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Municipal profile

Coat of arms of La Sonnaz

La Sonnaz

Canton: Fribourg (FR)

Civiora Index

Derived from official data

49/100

Below the median

National rank: 1’294 / 2’110

Taxes41/100
Premiums42/100
Electricity57/100
Housing93/100
PT service31/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude608 m
Area7.0 km²
Postcode1782
FSO no.2235
DistrictDistrict de la Sarine
Tax burden14.0 %Single, CHF 80’000 · 2026 more than SwitzerlandSwiss median: 13.1 %
Electricity price26.5 ct./kWhH4 · 2027 in line with SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums630 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population1’481+20.1 % over 5 years (2020–2025) more than SwitzerlandSwiss median: +4.4 %
Vacancy rate2.98 %01.06.2026 more than SwitzerlandSwiss median: 0.83 %
Public transport stops3No rail stop (bus/other)

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in La Sonnaz pays 14.0% of their gross income in tax, or about CHF 11’190 a year. That is CHF 700 more than in the median Swiss municipality.

La SonnazSwiss median
Single, CHF 80’000 approx. 11’190 CHF/year700 CHF/year more
14.0 %
13.1 %
Single, CHF 120’000 approx. 21’360 CHF/year660 CHF/year more
17.8 %
17.2 %
Married couple, CHF 120’000 approx. 14’740 CHF/year1’270 CHF/year more
12.3 %
11.2 %
Family, 2 children, CHF 150’000 approx. 16’740 CHF/year1’830 CHF/year more
11.2 %
9.9 %
Retiree, CHF 80’000 approx. 13’980 CHF/year1’000 CHF/year more
17.5 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in La Sonnaz pays 26.48 ct. per kWh, or about CHF 1’190 a year. That is close to the median Swiss municipality.

26.48 ct./kWh

in line with SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 13.15Grid (delivery to the meter) 9.19Levies and surcharge (public charges and levies) 4.14ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in La Sonnaz pays a median CHF 630 a month for basic health insurance, or about CHF 7’560 a year (CHF 300 deductible, accident cover included). That is CHF 31 a month more than the Swiss median (CHF 599).

630 CHF/month

more than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 23 offers in premium region FR-1 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult494.30 CHF/monthapprox. 5’930 CHF/year
19–25 years341.60 CHF/monthapprox. 4’100 CHF/year
Child126.70 CHF/monthapprox. 1’520 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

La Sonnaz has 1’481 inhabitants at the end of 2025, 20.1% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

1’481 inhabitants

Density: 213 inhab./km² · 2025

+1.6 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 24.8 %20–64 years 63.0 %65 and over 12.2 %

About 1 resident in 4 is under 20, and 1 in 8 is 65 or over. About 1 resident in 6 (17.0%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 2.98% of homes in La Sonnaz were vacant, about 1 in 34 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings1901.06.2026
Housing stock (2024)621

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

La Sonnaz has 3 public transport stops. On an ordinary Tuesday, 48 departures are scheduled across all stops, 0 of them after 8 pm.

Public transport stops3No rail stop (bus/other)
Departures on a typical Tuesday48of which evening (from 8 pm): 0 (0 %)
Departures on a typical Sunday00 % of the typical Tuesday
Public transport stops / 1’0002.03Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

La Sonnaz’s territory is 7.2% built-up, 66.2% farmland and 22.4% forest (survey 2004/2009).

Built-up 7.2 %Farmland 66.2 %Forest 22.4 %Other (water, rock…) 4.2 %
Jobs232reference year 2018
Establishments73reference year 2018

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source