What is the postal code of Castaneda?

Castaneda has 3 postal codes: 6537, 6540, 6541.

What is the tax rate in Castaneda?

The municipal tax multiplier of Castaneda is 90% (2026); canton GR levies 92%.

How many residents does Castaneda have?

Castaneda has 262 residents (2023).

Which canton is Castaneda in?

Castaneda is located in canton GR.

Switzerland · Canton GR

Castaneda

6537–6541

GR CANTON6537 6540 6541

Residents

262

Area

4 km²

Tax multiplier

90%

Postal codes

Demographics

BFS · 2023

Women

142 54.2%

Men

120 45.8%

Children & youth (0–19)

30 11.5%

Swiss citizens

218 85.8%

Foreign residents

36 14.2%

0–19 · 30 · 11.5%20–64 · 149 · 56.9%65+ · 83 · 31.7%

Foreign residents 14.2%0%61.6%

Source: BFS/OFS · retrieved 24.07.2026

Recent federal votes

BFS · sd-t-17-02

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 60.8%52.5% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 62.9%46.6% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 56.7%48.9% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 58.0%25.2% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

Mitte41.1% · strongest party

Mitte41.1%

SVP28.0%

SP14.7%

GRÜNE6.3%

FDP4.8%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier90%

Cantonal tax multiplier92%

90%CH range 25%525%

Tax rank 48 of 100 in canton Grisons

Source: ESTV · retrieved 20.07.2026

Climate

Grono · 3.9 km

Annual mean temperature 202511.6 °C

Precipitation 20251'564 mm

11.6 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websitecastaneda.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (3)

swisstopo

Sta. Maria in Calanca

Nearby municipalities

swisstopo

Grono

GR · 0.4 km

Santa Maria in Calanca

Frequently asked questions

What is the postal code of Castaneda?: Castaneda has 3 postal codes: 6537, 6540, 6541.
What is the tax rate in Castaneda?: The municipal tax multiplier of Castaneda is 90% (2026); canton GR levies 92%.
How many residents does Castaneda have?: Castaneda has 262 residents (2023).
Which canton is Castaneda in?: Castaneda is located in canton GR.

Map

OpenStreetMap