What is the postal code of Riaz?

Riaz has 2 postal codes: 1628, 1632.

What is the tax rate in Riaz?

The municipal tax multiplier of Riaz is 73% (2026); canton FR levies 96%.

How much tax do you pay in Riaz?

A single person without children pays about 15'846 CHF income tax in Riaz on 100'000 CHF gross income (federal, cantonal, municipal), rank 21 of 119 in canton FR. Source: ESTV (2026).

How many residents does Riaz have?

Riaz has 2'924 residents (2025).

How many foreign residents live in Riaz?

Riaz has 611 foreign residents, a share of 20.9% (2025).

Switzerland · Canton FR

Riaz

1628–1632

FR CANTON1628 1632

Residents

2'924

Area

7.8 km²

Population density

377 pop./km²

Elevation

726 m a.s.l.

Terrain up to

1'067 m a.s.l.

Tax multiplier

73%

Postal codes

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025

Women

1'488 50.9%

Men

1'436 49.1%

Children & youth (0–19)

688 23.5%

Swiss citizens

2'313 79.1%

Foreign residents

611 20.9%

Population density

377 pop./km²

0–19 · 688 · 23.5%20–64 · 1'764 · 60.3%65+ · 472 · 16.1%

Foreign residents 20.9%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Riaz

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

54.2% YesNo 45.8%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

50.3% YesNo 49.7%

26.04.2026Gesetz zur Sanierung der KantonsfinanzenCantonal FR● Rejected · 31.4% Yes

26.7% YesNo 73.3%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

58.5% YesNo 41.5%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

23.3% YesNo 76.7%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

39.5% YesNo 60.5%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

49.6% YesNo 50.4%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

60.2% YesNo 39.9%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

59.6% YesNo 40.4%

30.11.2025Volksinitiative «Für eine soziale Klimapolitik – steuerlich gerecht finanziert (Initiative für eine Zukunft)»Federal● Rejected · 21.7% Yes

26.5% YesNo 73.5%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SP22.8% · strongest party

SP22.8%

SVP22.1%

FDP20.7%

Mitte20.5%

GRÜNE8.7%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier73%

Cantonal tax multiplier96%

73%FR range 32%100%

Tax rank 22 of 119 in canton Fribourg

Tax burden

Single, 100'000 CHF gross income

15'846 CHF(15.8%)

Rank 21 of 119 in the canton · 1206 of 2110 in Switzerland

Median canton 16'515 CHF · median Switzerland 15'290 CHF

Cheapest Greng 12'414 CHF · most expensive Jaun 18'106 CHF

Income tax as % of gross income

100'000 CHF:15'846 CHF(~15.8%)

RiazCanton range FribourgSwitzerland median

Show data table

Gross income	Riaz	Fribourg	Switzerland median
40'000	7.1%	5.4–8.1%	5.4%
50'000	9.5%	7.3–11%	7.8%
60'000	11.4%	8.8–13.1%	10.5%
70'000	12.7%	9.8–14.5%	11.9%
80'000	13.8%	10.7–15.8%	13.1%
90'000	14.8%	11.5–16.9%	14.1%
100'000	15.8%	12.4–18.1%	15.3%
110'000	16.7%	13.2–19.1%	16.3%
120'000	17.5%	13.9–20%	17.2%
130'000	18.3%	14.5–20.8%	18.1%
140'000	19.1%	15.2–21.7%	19%
150'000	19.8%	15.8–22.5%	19.7%
175'000	21.8%	17.5–24.7%	21.6%
200'000	23.6%	19–26.5%	23.2%
225'000	25%	20.3–28.1%	24.6%
250'000	26%	21.2–29.2%	25.8%
275'000	26.6%	21.8–29.8%	26.8%
300'000	27.2%	22.3–30.4%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20208.1 °C

Precipitation 1991–20201'351 mm

8.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

1'067 m

Mean elevation

856 m

Relief

358 m

Mean slope

6°

Flat share

51.9%

South-facing

14.7%

Above 2000 m

0.0%

Relief 358 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026

Solar potential

BFE

Roof potential

24.4 GWh/yr

Roofs + façades

33.2 GWh/yr

≈ households powered

5'400

24 GWh/yr01'133 GWh/yr

BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 31.08.2026

Electricity

ElCom · 2026

Tariff H4

28.65 Rp./kWh

Energy

14.75 Rp./kWh

Grid usage

9.72 Rp./kWh

Levies + grid surcharge

2.96 Rp./kWh

28.65 Rp./kWh9.6443.61

Canton median 27.28 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Gruyère Energie S.A.

ElCom tariff comparison ↗

How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

4.06 %

Avg. rooms

3.8

Dwellings

1'306

Built before 194613.6%

Built since 200141.3%

4.06 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 92 min · Car 40 min

AgglomerationPT 14 min · Car 7 min

Remoteness 18/119 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Websiteriaz.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities2'924 #30 FR · #744 CH Families & children23.5% #35 FR · #229 CH Age structure16.1% #67 FR · #1888 CH Women share50.9% #17 FR · #438 CH Foreign residents20.9% #34 FR · #786 CH Population density377/km² #20 FR · #646 CH Tax burden15'846 #21 FR · #1207 CH Taxes73% #22 FR Warmest municipalities8.1 °C #104 FR · #1687 CH Sunniest municipalities45.9% #22 FR · #573 CH Rainiest municipalities1'351 mm #17 FR · #425 CH Voter turnout56.5% #34 FR · #866 CH Against Switzerland18% #52 FR · #686 CH Aligned with Switzerland82% #38 FR · #735 CH SVP strongholds22.1% #98 FR · #1690 CH SP strongholds22.8% #23 FR · #278 CH Centre strongholds20.5% #47 FR · #504 CH FDP strongholds20.7% #14 FR · #406 CH GLP strongholds2.6% #80 FR · #1662 CH Green strongholds8.7% #69 FR · #759 CH Largest by area7.8 km² #69 FR · #1160 CH Highest municipalities726 m #53 FR · #549 CH Remotest municipalities92 min #18 FR · #513 CH Best-connected municipalities92 min #102 FR · #1595 CH Highest peaks1'067 m #30 FR · #684 CH Highest-lying municipalities856 m #28 FR · #546 CH Greatest vertical range358 m #30 FR · #884 CH Steepest municipalities6° #70 FR · #1395 CH Solar potential24 GWh #47 FR · #865 CH Cheapest electricity28.65 Rp./kWh #116 FR · #1204 CH Most expensive electricity28.65 Rp./kWh #8 FR · #908 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Riaz1632 Vuadens1628

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Riaz?: Riaz has 2 postal codes: 1628, 1632.
What is the tax rate in Riaz?: The municipal tax multiplier of Riaz is 73% (2026); canton FR levies 96%.
How much tax do you pay in Riaz?: A single person without children pays about 15'846 CHF income tax in Riaz on 100'000 CHF gross income (federal, cantonal, municipal), rank 21 of 119 in canton FR. Source: ESTV (2026).
How many residents does Riaz have?: Riaz has 2'924 residents (2025).
How many foreign residents live in Riaz?: Riaz has 611 foreign residents, a share of 20.9% (2025).

Map

OpenStreetMap