What is the postal code of Grono?

Grono has 4 postal codes: 6537, 6538, 6556, 6557.

What is the tax rate in Grono?

The municipal tax multiplier of Grono is 87% (2026); canton GR levies 92%.

How much tax do you pay in Grono?

A single person without children pays about 12'515 CHF income tax in Grono on 100'000 CHF gross income (federal, cantonal, municipal), rank 44 of 100 in canton GR. Source: ESTV (2026).

How many residents does Grono have?

Grono has 1'634 residents (2025).

How many foreign residents live in Grono?

Grono has 537 foreign residents, a share of 32.86% (2025).

Switzerland · Canton GR

Grono

6537–6557

GR CANTON6537 6538 6556 6557

Residents

1'634

Area

37.1 km²

Population density

44 pop./km²

Elevation

1'073 m a.s.l.

Terrain up to

2'680 m a.s.l.

Tax multiplier

87%

Postal codes

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

Demographics

BFS · 2025

Women

770 47.1%

Men

864 52.9%

Children & youth (0–19)

259 15.9%

Swiss citizens

1'097 67.1%

Foreign residents

537 32.9%

Population density

44 pop./km²

0–19 · 259 · 15.9%20–64 · 1'035 · 63.3%65+ · 340 · 20.8%

Foreign residents 32.9%0%64.0%

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

Vote results for Grono

BFS

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

58.0% YesNo 42.0%

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

57.6% YesNo 42.5%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

38.3% YesNo 61.7%

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

25.2% YesNo 74.9%

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

48.8% YesNo 51.2%

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

57.4% YesNo 42.6%

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

67.1% YesNo 32.9%

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

62.9% YesNo 37.1%

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

23.3% YesNo 76.7%

30.11.2025Volksinitiative «Für eine engagierte Schweiz (Service-citoyen-Initiative)»Federal● Rejected · 15.9% Yes

18.0% YesNo 82.0%

All federal votes →

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

Politics

National Council election 2023

Mitte42.9% · strongest party

Mitte42.9%

SVP20.5%

FDP16.8%

SP14.9%

GRÜNE2.8%

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

Taxes 2026

ESTV

Municipal tax multiplier87%

Cantonal tax multiplier92%

87%GR range 30%120%

Tax rank 44 of 100 in canton Grisons

Tax burden

Single, 100'000 CHF gross income

12'515 CHF(12.5%)

Rank 44 of 100 in the canton · 401 of 2110 in Switzerland

Median canton 12'696 CHF · median Switzerland 15'290 CHF

Cheapest Rongellen 9'071 CHF · most expensive Flerden 14'508 CHF

Income tax as % of gross income

100'000 CHF:12'515 CHF(~12.5%)

GronoCanton range GrisonsSwitzerland median

Show data table

Gross income	Grono	Grisons	Switzerland median
40'000	3.7%	2.6–4.3%	5.4%
50'000	5.8%	4.1–6.8%	7.8%
60'000	7.7%	5.5–9%	10.5%
70'000	9.2%	6.6–10.8%	11.9%
80'000	10.4%	7.5–12.2%	13.1%
90'000	11.4%	8.2–13.3%	14.1%
100'000	12.5%	9.1–14.5%	15.3%
110'000	13.5%	9.8–15.5%	16.3%
120'000	14.2%	10.5–16.4%	17.2%
130'000	14.9%	11–17.2%	18.1%
140'000	15.7%	11.7–18%	19%
150'000	16.4%	12.2–18.8%	19.7%
175'000	17.9%	13.5–20.5%	21.6%
200'000	19.2%	14.7–21.9%	23.2%
225'000	20.3%	15.6–23.1%	24.6%
250'000	21.3%	16.5–24.1%	25.8%
275'000	22.2%	17.3–25%	26.8%
300'000	22.9%	17.9–25.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20205.9 °C

Precipitation 1991–20201'457 mm

5.9 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

2'680 m

Mean elevation

1'360 m

Relief

2'377 m

Mean slope

34.7°

Flat share

6.3%

South-facing

23.7%

Above 2000 m

20.3%

Relief 2'377 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

16 GWh/yr

Roofs + façades

21.5 GWh/yr

≈ households powered

3'600

16 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 range H4

26.61–29.65 Rp./kWh

28.13 Rp./kWh9.6443.61

Canton median 29.2 Rp./kWhSwiss median 27.7 Rp./kWh

Network operators Media Mesolcina Energia · Comune di Cama, Azienda Elettrica Comunale

This municipality is served by 2 network operators with different tariffs; the range spans the cheapest and the most expensive.

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

2.6 %

Avg. rooms

3.5

Dwellings

960

Built before 194626.1%

Built since 200131.3%

2.6 %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 89 min · Car 47 min

AgglomerationPT 63 min · Car 32 min

Remoteness 89/100 in canton

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

Municipality

Wikidata · CC0

Websitegrono.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'634 #35 GR · #1105 CH Families & children15.9% #63 GR · #1923 CH Age structure20.8% #87 GR · #1080 CH Women share47.1% #84 GR · #2005 CH Foreign residents32.9% #4 GR · #205 CH Population density44/km² #34 GR · #1812 CH Tax burden12'515 #44 GR · #401 CH Taxes87% #44 GR Warmest municipalities5.9 °C #37 GR · #1952 CH Sunniest municipalities53.1% #5 GR · #154 CH Rainiest municipalities1'457 mm #24 GR · #285 CH Voter turnout50.3% #76 GR · #1676 CH Against Switzerland26.5% #3 GR · #183 CH Aligned with Switzerland73.5% #51 GR · #1276 CH SVP strongholds20.5% #95 GR · #1765 CH SP strongholds14.9% #56 GR · #947 CH Centre strongholds42.9% #14 GR · #112 CH FDP strongholds16.8% #29 GR · #668 CH GLP strongholds1.8% #88 GR · #1787 CH Green strongholds2.8% #74 GR · #1888 CH Largest by area37.1 km² #57 GR · #245 CH Highest municipalities1'073 m #62 GR · #220 CH Remotest municipalities89 min #89 GR · #561 CH Best-connected municipalities89 min #11 GR · #1542 CH Highest peaks2'680 m #65 GR · #215 CH Highest-lying municipalities1'360 m #72 GR · #244 CH Greatest vertical range2'377 m #22 GR · #112 CH Steepest municipalities34.7° #6 GR · #13 CH Solar potential16 GWh #58 GR · #1194 CH Cheapest electricity28.13 Rp./kWh #48 GR · #1136 CH Most expensive electricity28.13 Rp./kWh #53 GR · #971 CH

Postal codes (4)

swisstopo

Localities

swisstopo · 4

Cama6557 Grono6537 Leggia6556 Verdabbio6538

Nearby municipalities

swisstopo

Castaneda

GR · 0.4 km

Santa Maria in Calanca

Frequently asked questions

What is the postal code of Grono?: Grono has 4 postal codes: 6537, 6538, 6556, 6557.
What is the tax rate in Grono?: The municipal tax multiplier of Grono is 87% (2026); canton GR levies 92%.
How much tax do you pay in Grono?: A single person without children pays about 12'515 CHF income tax in Grono on 100'000 CHF gross income (federal, cantonal, municipal), rank 44 of 100 in canton GR. Source: ESTV (2026).
How many residents does Grono have?: Grono has 1'634 residents (2025).
How many foreign residents live in Grono?: Grono has 537 foreign residents, a share of 32.86% (2025).

Map

OpenStreetMap