Postcode area · Au (SG) · St. Gallen

9434 Au SG (Au (SG)): key figures

9434 Au SG (postcode area in Au (SG)) has 5,013 residents in 2025 across 3.5 km², or 1,412 people per km². By population, 9434 Au SG ranks No. 2 of 2 postcode areas in Au (SG). Population: +13.3% between 2015 and 2025.

  • 5,013 residents
  • 3.5 km²
  • 1,412 people/km²

9434 Au SG in numbers

Population
5,013
ranked 452 of 2,275
+13.3%between 2015 and 2025
2015–2025
Population density
1,412people/km²
ranked 248 of 2,275
Area
3.5km²
ranked 2,592 of 3,168
Share of foreign nationals
34.7%
ranked 256 of 2,040
Dwellings
2,448
ranked 481 of 3,164
Residential buildings
1,023
ranked 437 of 3,160
Dwellings in buildings built before 1946
12.3%
ranked 2,738 of 3,164

Key points

By population, 9434 Au SG ranks No. 2 of 2 postcode areas in Au (SG).

Nationally, 9434 Au SG ranks No. 452 of 2,275 postcode areas.

Population of 9434 Au SG over time

4,4004,6004,8005,0005,2002015202020232025
Population, 2015–2025

9434 Au SG had 4,424 residents in 2015 and 5,013 in 2025.

YearPopulation
20154,424
20204,632
20234,794
20255,013

All indicators for 9434 Au SG

Next to the value for 9434 Au SG: all postcode areas of Au (SG), then of the whole country (totals for counts, weighted averages for rates).

9434 Au SGNational medianHover over or tap a bar to see what it shows.

Housing

Indicator9434 Au SGAu (SG)SwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)2,448––ranked 2 of 2ranked 481 of 3,164
Residential buildings (2026)1,023––ranked 1 of 2ranked 437 of 3,160
Dwellings in buildings built before 1946 (2026)12.3%9.9%23.2%ranked 1 of 2ranked 2,738 of 3,164
Dwellings in buildings built since 2001 (2026)34.7%33.0%23.6%ranked 1 of 2ranked 477 of 3,164
Share of detached houses among residential buildings (2026)72.1%70.3%63.5%ranked 1 of 2ranked 1,358 of 3,160

Energy

Indicator9434 Au SGAu (SG)SwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)57.5%63.2%56.2%ranked 2 of 2ranked 1,120 of 3,160
Heat pumps as main heating (2026)38.7%33.8%16.2%ranked 1 of 2ranked 167 of 3,160
Wood heating systems (2026)2.2%1.8%13.5%ranked 1 of 2ranked 2,920 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 1 of 2ranked 2,207 of 3,160

Society

Indicator9434 Au SGAu (SG)SwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)34.7%40.2%29.8%ranked 2 of 2ranked 256 of 2,040

Where is 9434 Au SG?

Other postcode areas in Au (SG)

Postcode areas near 9434 Au SG

Next in alphabetical order: 9435 Heerbrugg

The postcode areas of Au (SG)

Back to the page for Au (SG)

Frequently asked questions

What is the population of 9434 Au SG (Au (SG))?

9434 Au SG has 5,013 residents in 2025. It covers 3.5 km², or 1,412 people per km².

Where is 9434 Au SG?

9434 Au SG (postcode area) is part of Au (SG), in St. Gallen.

What is the value of “Share of foreign nationals” in 9434 Au SG?

Share of foreign nationals: 34.7% (2025), ranked 256 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 9434 Au SG?

Dwellings: 2,448 (2026), ranked 481 of 3,164 postcode areas in the country.