Postcode area · Gossau (SG) · St. Gallen

9212 Arnegg (Gossau (SG)): key figures

9212 Arnegg (postcode area in Gossau (SG)) has 2,032 residents in 2025 across 3.5 km², or 574 people per km². By population, 9212 Arnegg ranks No. 2 of 2 postcode areas in Gossau (SG). Population: +16.7% between 2015 and 2025.

  • 2,032 residents
  • 3.5 km²
  • 574 people/km²

9212 Arnegg in numbers

Population
2,032
ranked 1,021 of 2,275
+16.7%between 2015 and 2025
2015–2025
Population density
574people/km²
ranked 629 of 2,275
Area
3.5km²
ranked 2,597 of 3,168
Share of foreign nationals
13.2%
ranked 1,614 of 2,040
Dwellings
891
ranked 1,253 of 3,164
Residential buildings
399
ranked 1,433 of 3,160
Dwellings in buildings built before 1946
12.6%
ranked 2,709 of 3,164

Key points

By population, 9212 Arnegg ranks No. 2 of 2 postcode areas in Gossau (SG).

Nationally, 9212 Arnegg ranks No. 1,021 of 2,275 postcode areas.

Population of 9212 Arnegg over time

1,7001,8001,9002,0002,1002015202020232025
Population, 2015–2025

9212 Arnegg had 1,741 residents in 2015 and 2,032 in 2025.

YearPopulation
20151,741
20201,769
20231,904
20252,032

All indicators for 9212 Arnegg

Next to the value for 9212 Arnegg: all postcode areas of Gossau (SG), then of the whole country (totals for counts, weighted averages for rates).

9212 ArneggNational medianHover over or tap a bar to see what it shows.

Housing

Indicator9212 ArneggGossau (SG)SwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)891––ranked 2 of 2ranked 1,253 of 3,164
Residential buildings (2026)399––ranked 2 of 2ranked 1,433 of 3,160
Dwellings in buildings built before 1946 (2026)12.6%15.4%23.2%ranked 2 of 2ranked 2,709 of 3,164
Dwellings in buildings built since 2001 (2026)27.5%21.6%23.6%ranked 1 of 2ranked 1,014 of 3,164
Share of detached houses among residential buildings (2026)76.2%55.9%63.5%ranked 1 of 2ranked 907 of 3,160

Energy

Indicator9212 ArneggGossau (SG)SwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)51.0%60.7%56.2%ranked 2 of 2ranked 1,490 of 3,160
Heat pumps as main heating (2026)41.7%30.9%16.2%ranked 1 of 2ranked 104 of 3,160
Wood heating systems (2026)5.3%5.5%13.5%ranked 2 of 2ranked 2,545 of 3,160
District heating (2026)0.3%0.4%5.6%ranked 2 of 2ranked 2,015 of 3,160

Society

Indicator9212 ArneggGossau (SG)SwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)13.2%24.4%29.8%ranked 2 of 2ranked 1,614 of 2,040

Where is 9212 Arnegg?

Other postcode areas in Gossau (SG)

Postcode areas near 9212 Arnegg

Previous in alphabetical order: 9200 Gossau SG

The postcode areas of Gossau (SG)

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Frequently asked questions

What is the population of 9212 Arnegg (Gossau (SG))?

9212 Arnegg has 2,032 residents in 2025. It covers 3.5 km², or 574 people per km².

Where is 9212 Arnegg?

9212 Arnegg (postcode area) is part of Gossau (SG), in St. Gallen.

What is the value of “Share of foreign nationals” in 9212 Arnegg?

Share of foreign nationals: 13.2% (2025), ranked 1,614 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 9212 Arnegg?

Dwellings: 891 (2026), ranked 1,253 of 3,164 postcode areas in the country.