Postcode area · Castel San Pietro · Ticino

6874 Castel San Pietro (Castel San Pietro): key figures

6874 Castel San Pietro (postcode area in Castel San Pietro) has 1,578 residents in 2025 across 7.4 km², or 214 people per km². By population, 6874 Castel San Pietro ranks No. 1 of 2 postcode areas in Castel San Pietro. Population: +7.2% between 2015 and 2025.

  • 1,578 residents
  • 7.4 km²
  • 214 people/km²

6874 Castel San Pietro in numbers

Population
1,578
ranked 1,224 of 2,275
+7.2%between 2015 and 2025
2015–2025
Population density
214people/km²
ranked 1,334 of 2,275
Area
7.4km²
ranked 1,577 of 3,168
Share of foreign nationals
17.7%
ranked 1,286 of 2,040
Dwellings
890
ranked 1,256 of 3,164
Residential buildings
492
ranked 1,169 of 3,160
Dwellings in buildings built before 1946
29.9%
ranked 1,447 of 3,164

Key points

By population, 6874 Castel San Pietro ranks No. 1 of 2 postcode areas in Castel San Pietro.

Nationally, 6874 Castel San Pietro ranks No. 1,224 of 2,275 postcode areas.

Population of 6874 Castel San Pietro over time

1,4501,5001,5501,6002015202020232025
Population, 2015–2025

6874 Castel San Pietro had 1,472 residents in 2015 and 1,578 in 2025.

YearPopulation
20151,472
20201,544
20231,548
20251,578

All indicators for 6874 Castel San Pietro

Next to the value for 6874 Castel San Pietro: all postcode areas of Castel San Pietro, then of the whole country (totals for counts, weighted averages for rates).

6874 Castel San PietroNational medianHover over or tap a bar to see what it shows.

Housing

Indicator6874 Castel San PietroCastel San PietroSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)890––ranked 1 of 3ranked 1,256 of 3,164
Residential buildings (2026)492––ranked 1 of 3ranked 1,169 of 3,160
Dwellings in buildings built before 1946 (2026)29.9%35.8%23.2%ranked 2 of 3ranked 1,447 of 3,164
Dwellings in buildings built since 2001 (2026)21.0%17.3%23.6%ranked 1 of 3ranked 1,627 of 3,164
Share of detached houses among residential buildings (2026)62.4%69.8%63.5%ranked 3 of 3ranked 2,215 of 3,160

Energy

Indicator6874 Castel San PietroCastel San PietroSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)52.2%45.4%56.2%ranked 1 of 3ranked 1,407 of 3,160
Heat pumps as main heating (2026)36.0%33.3%16.2%ranked 2 of 3ranked 214 of 3,160
Wood heating systems (2026)4.4%9.9%13.5%ranked 2 of 3ranked 2,646 of 3,160
District heating (2026)0.2%0.1%5.6%ranked 1 of 3ranked 2,105 of 3,160

Society

Indicator6874 Castel San PietroCastel San PietroSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)17.7%16.1%29.8%ranked 1 of 3ranked 1,286 of 2,040

Where is 6874 Castel San Pietro?

Frequently asked questions

What is the population of 6874 Castel San Pietro (Castel San Pietro)?

6874 Castel San Pietro has 1,578 residents in 2025. It covers 7.4 km², or 214 people per km².

Where is 6874 Castel San Pietro?

6874 Castel San Pietro (postcode area) is part of Castel San Pietro, in Ticino.

What is the value of “Share of foreign nationals” in 6874 Castel San Pietro?

Share of foreign nationals: 17.7% (2025), ranked 1,286 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 6874 Castel San Pietro?

Dwellings: 890 (2026), ranked 1,256 of 3,164 postcode areas in the country.