Postcode area · Gossau (SG) · St. Gallen

9200 Gossau SG (Gossau (SG)): key figures

9200 Gossau SG (postcode area in Gossau (SG)) has 16,770 residents in 2025 across 21.1 km², or 795 people per km². By population, 9200 Gossau SG ranks No. 1 of 2 postcode areas in Gossau (SG). Population: +4.9% between 2015 and 2025.

  • 16,770 residents
  • 21.1 km²
  • 795 people/km²

9200 Gossau SG in numbers

Population
16,770
ranked 98 of 2,275
+4.9%between 2015 and 2025
2015–2025
Population density
795people/km²
ranked 464 of 2,275
Area
21.1km²
ranked 447 of 3,168
Share of foreign nationals
25.8%
ranked 694 of 2,040
Dwellings
8,337
ranked 113 of 3,164
Residential buildings
2,219
ranked 71 of 3,160
Dwellings in buildings built before 1946
15.7%
ranked 2,487 of 3,164

Key points

By population, 9200 Gossau SG ranks No. 1 of 2 postcode areas in Gossau (SG).

Nationally, 9200 Gossau SG ranks No. 98 of 2,275 postcode areas.

Population of 9200 Gossau SG over time

15,80016,00016,20016,40016,60016,8002015202020232025
Population, 2015–2025

9200 Gossau SG had 15,994 residents in 2015 and 16,770 in 2025.

YearPopulation
201515,994
202016,052
202316,394
202516,770

All indicators for 9200 Gossau SG

Next to the value for 9200 Gossau SG: all postcode areas of Gossau (SG), then of the whole country (totals for counts, weighted averages for rates).

9200 Gossau SGNational medianHover over or tap a bar to see what it shows.

Housing

Indicator9200 Gossau SGGossau (SG)SwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)8,337––ranked 1 of 2ranked 113 of 3,164
Residential buildings (2026)2,219––ranked 1 of 2ranked 71 of 3,160
Dwellings in buildings built before 1946 (2026)15.7%15.4%23.2%ranked 1 of 2ranked 2,487 of 3,164
Dwellings in buildings built since 2001 (2026)21.0%21.6%23.6%ranked 2 of 2ranked 1,627 of 3,164
Share of detached houses among residential buildings (2026)52.3%55.9%63.5%ranked 2 of 2ranked 2,743 of 3,160

Energy

Indicator9200 Gossau SGGossau (SG)SwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)62.5%60.7%56.2%ranked 1 of 2ranked 880 of 3,160
Heat pumps as main heating (2026)29.0%30.9%16.2%ranked 2 of 2ranked 432 of 3,160
Wood heating systems (2026)5.5%5.5%13.5%ranked 1 of 2ranked 2,522 of 3,160
District heating (2026)0.4%0.4%5.6%ranked 1 of 2ranked 1,913 of 3,160

Society

Indicator9200 Gossau SGGossau (SG)SwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)25.8%24.4%29.8%ranked 1 of 2ranked 694 of 2,040

Where is 9200 Gossau SG?

Other postcode areas in Gossau (SG)

Postcode areas near 9200 Gossau SG

Next in alphabetical order: 9212 Arnegg

The postcode areas of Gossau (SG)

Back to the page for Gossau (SG)

Frequently asked questions

What is the population of 9200 Gossau SG (Gossau (SG))?

9200 Gossau SG has 16,770 residents in 2025. It covers 21.1 km², or 795 people per km².

Where is 9200 Gossau SG?

9200 Gossau SG (postcode area) is part of Gossau (SG), in St. Gallen.

What is the value of “Share of foreign nationals” in 9200 Gossau SG?

Share of foreign nationals: 25.8% (2025), ranked 694 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 9200 Gossau SG?

Dwellings: 8,337 (2026), ranked 113 of 3,164 postcode areas in the country.