Postcode area · Castaneda · Grisons

6540 Castaneda (Castaneda): key figures

6540 Castaneda (postcode area in Castaneda) has 225 residents in 2025 across 3.9 km², or 57.7 people per km². Population: −4.7% between 2015 and 2025.

  • 225 residents
  • 3.9 km²
  • 58 people/km²

6540 Castaneda in numbers

Population
225
ranked 2,212 of 2,275
−4.7%between 2015 and 2025
2015–2025
Population density
58people/km²
ranked 2,091 of 2,275
Area
3.9km²
ranked 2,499 of 3,168
Dwellings
231
ranked 2,636 of 3,164
Residential buildings
169
ranked 2,490 of 3,160
Dwellings in buildings built before 1946
35.1%
ranked 1,157 of 3,164
Dwellings in buildings built since 2001
4.3%
ranked 2,979 of 3,164

Key points

Nationally, 6540 Castaneda ranks No. 2,212 of 2,275 postcode areas.

Population of 6540 Castaneda over time

2202302402502015202020232025
Population, 2015–2025

6540 Castaneda had 236 residents in 2015 and 225 in 2025.

YearPopulation
2015236
2020246
2023221
2025225

All indicators for 6540 Castaneda

Next to the value for 6540 Castaneda: all postcode areas of Castaneda, then of the whole country (totals for counts, weighted averages for rates).

6540 CastanedaNational medianHover over or tap a bar to see what it shows.

Housing

Indicator6540 CastanedaCastanedaSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)231––ranked 2,636 of 3,164
Residential buildings (2026)169––ranked 2,490 of 3,160
Dwellings in buildings built before 1946 (2026)35.1%35.1%23.2%ranked 1,157 of 3,164
Dwellings in buildings built since 2001 (2026)4.3%4.3%23.6%ranked 2,979 of 3,164
Share of detached houses among residential buildings (2026)81.1%81.1%63.5%ranked 446 of 3,160

Energy

Indicator6540 CastanedaCastanedaSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)20.9%20.9%56.2%ranked 2,849 of 3,160
Heat pumps as main heating (2026)1.8%1.8%16.2%ranked 3,032 of 3,160
Wood heating systems (2026)24.5%24.5%13.5%ranked 1,036 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 2,207 of 3,160

Where is 6540 Castaneda?

Frequently asked questions

What is the population of 6540 Castaneda (Castaneda)?

6540 Castaneda has 225 residents in 2025. It covers 3.9 km², or 58 people per km².

Where is 6540 Castaneda?

6540 Castaneda (postcode area) is part of Castaneda, in Grisons.

What is the value of “Dwellings” in 6540 Castaneda?

Dwellings: 231 (2026), ranked 2,636 of 3,164 postcode areas in the country.

What is the value of “Residential buildings” in 6540 Castaneda?

Residential buildings: 169 (2026), ranked 2,490 of 3,160 postcode areas in the country.