What is the postal code of Calanca?

Calanca has 4 postal codes: 6543, 6544, 6545, 6546.

What is the tax rate in Calanca?

The municipal tax multiplier of Calanca is 100% (2026); canton GR levies 92%.

How much tax do you pay in Calanca?

A single person without children pays about 13'300 CHF income tax in Calanca on 100'000 CHF gross income (federal, cantonal, municipal), rank 69 of 100 in canton GR. Source: ESTV (2026).

How many residents does Calanca have?

Calanca has 213 residents (2025).

How many foreign residents live in Calanca?

Calanca has 38 foreign residents, a share of 17.84% (2025).

Switzerland · Canton GR

Calanca

6543–6546

GR CANTON6543 6544 6545 6546

Residents

213

Area

37.7 km²

Population density

6 pop./km²

Elevation

876 m a.s.l.

Terrain up to

2'936 m a.s.l.

Tax multiplier

100%

Postal codes

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

Demographics

BFS · 2025

Women

96 45.1%

Men

117 54.9%

Children & youth (0–19)

22 10.3%

Swiss citizens

175 82.2%

Foreign residents

38 17.8%

Population density

6 pop./km²

0–19 · 22 · 10.3%20–64 · 110 · 51.6%65+ · 81 · 38.0%

Foreign residents 17.8%0%64.0%

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

Vote results for Calanca

BFS

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

72.6% YesNo 27.5%

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

47.6% YesNo 52.4%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

56.2% YesNo 43.8%

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

28.1% YesNo 71.9%

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

37.8% YesNo 62.2%

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

48.3% YesNo 51.7%

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

69.3% YesNo 30.7%

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

58.5% YesNo 41.5%

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

22.6% YesNo 77.4%

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

3.3% YesNo 96.7%

All federal votes →

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

Politics

National Council election 2023

Mitte29.5% · strongest party

Mitte29.5%

SP25.7%

SVP22.2%

FDP13.0%

GRÜNE6.2%

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

Taxes 2026

ESTV

Municipal tax multiplier100%

Cantonal tax multiplier92%

100%GR range 30%120%

Tax rank 79 of 100 in canton Grisons

Tax burden

Single, 100'000 CHF gross income

13'300 CHF(13.3%)

Rank 69 of 100 in the canton · 613 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:13'300 CHF(~13.3%)

CalancaCanton range GrisonsSwitzerland median

Show data table

Gross income	Calanca	Grisons	Switzerland median
40'000	4%	2.6–4.3%	5.4%
50'000	6.2%	4.1–6.8%	7.8%
60'000	8.2%	5.5–9%	10.5%
70'000	9.9%	6.6–10.8%	11.9%
80'000	11.1%	7.5–12.2%	13.1%
90'000	12.2%	8.2–13.3%	14.1%
100'000	13.3%	9.1–14.5%	15.3%
110'000	14.3%	9.8–15.5%	16.3%
120'000	15.1%	10.5–16.4%	17.2%
130'000	15.8%	11–17.2%	18.1%
140'000	16.6%	11.7–18%	19%
150'000	17.3%	12.2–18.8%	19.7%
175'000	18.9%	13.5–20.5%	21.6%
200'000	20.3%	14.7–21.9%	23.2%
225'000	21.4%	15.6–23.1%	24.6%
250'000	22.4%	16.5–24.1%	25.8%
275'000	23.3%	17.3–25%	26.8%
300'000	24%	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 1991–20207.3 °C

Territorial mean (incl. peaks)4.2 °C

Precipitation 1991–20201'540 mm

7.3 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

2'936 m

Mean elevation

1'715 m

Relief

2'170 m

Mean slope

32.5°

Flat share

1.3%

South-facing

12.3%

Above 2000 m

30.9%

Relief 2'170 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

5.5 GWh/yr

Roofs + façades

7.3 GWh/yr

≈ households powered

1'200

5 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

30.63 Rp./kWh

Energy

12.87 Rp./kWh

Grid usage

14.66 Rp./kWh

Levies + grid surcharge

2.3 Rp./kWh

30.63 Rp./kWh9.6443.61

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

Network operator Consorzio Energia Elettrica Calanca

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

0.76 %

Avg. rooms

2.7

Dwellings

529

Built before 194665.6%

Built since 20012.8%

0.76 %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 88 min · Car 49 min

AgglomerationPT 64 min · Car 34 min

Remoteness 91/100 in canton

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

Municipality

Wikidata · CC0

Websitecomunedicalanca.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities213 #89 GR · #2022 CH Families & children10.3% #95 GR · #2085 CH Age structure38% #4 GR · #12 CH Women share45.1% #98 GR · #2079 CH Foreign residents17.8% #44 GR · #1055 CH Population density6/km² #88 GR · #2068 CH Tax burden13'300 #72 GR · #616 CH Taxes100% #79 GR Warmest municipalities7.3 °C #22 GR · #1818 CH Sunniest municipalities49.8% #24 GR · #241 CH Rainiest municipalities1'540 mm #11 GR · #211 CH Voter turnout43.4% #99 GR · #2051 CH SVP strongholds22.2% #93 GR · #1687 CH SP strongholds25.7% #6 GR · #149 CH Centre strongholds29.5% #26 GR · #241 CH FDP strongholds13% #53 GR · #1028 CH GLP strongholds1.6% #92 GR · #1819 CH Green strongholds6.2% #20 GR · #1288 CH Largest by area37.7 km² #56 GR · #240 CH Highest municipalities876 m #73 GR · #351 CH Remotest municipalities88 min #91 GR · #590 CH Best-connected municipalities88 min #10 GR · #1527 CH Highest peaks2'936 m #50 GR · #158 CH Highest-lying municipalities1'715 m #53 GR · #155 CH Greatest vertical range2'170 m #37 GR · #156 CH Steepest municipalities32.5° #9 GR · #42 CH Solar potential5 GWh #82 GR · #1866 CH Cheapest electricity30.63 Rp./kWh #81 GR · #1769 CH Most expensive electricity30.63 Rp./kWh #21 GR · #339 CH

Postal codes (4)

swisstopo

Localities

swisstopo · 4

Arvigo6543 Braggio6544 Cauco6546 Selma6545

Nearby municipalities

swisstopo

Buseno

GR · 3.5 km

Santa Maria in Calanca

Frequently asked questions

What is the postal code of Calanca?: Calanca has 4 postal codes: 6543, 6544, 6545, 6546.
What is the tax rate in Calanca?: The municipal tax multiplier of Calanca is 100% (2026); canton GR levies 92%.
How much tax do you pay in Calanca?: A single person without children pays about 13'300 CHF income tax in Calanca on 100'000 CHF gross income (federal, cantonal, municipal), rank 69 of 100 in canton GR. Source: ESTV (2026).
How many residents does Calanca have?: Calanca has 213 residents (2025).
How many foreign residents live in Calanca?: Calanca has 38 foreign residents, a share of 17.84% (2025).

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