Postcode area · Widnau · St. Gallen

9443 Widnau (Widnau): key figures

9443 Widnau (postcode area in Widnau) has 9,755 residents in 2025 across 6.0 km², or 1,623 people per km². Population: +12.7% between 2015 and 2025.

  • 9,755 residents
  • 6.0 km²
  • 1,623 people/km²

9443 Widnau in numbers

Population
9,755
ranked 216 of 2,275
+12.7%between 2015 and 2025
2015–2025
Population density
1,623people/km²
ranked 211 of 2,275
Area
6.0km²
ranked 1,899 of 3,168
Share of foreign nationals
27.5%
ranked 597 of 2,040
Dwellings
4,519
ranked 253 of 3,164
Residential buildings
2,326
ranked 64 of 3,160
Dwellings in buildings built before 1946
10.9%
ranked 2,828 of 3,164

Key points

Nationally, 9443 Widnau ranks No. 216 of 2,275 postcode areas.

Population of 9443 Widnau over time

8,5009,0009,50010,0002015202020232025
Population, 2015–2025

9443 Widnau had 8,655 residents in 2015 and 9,755 in 2025.

YearPopulation
20158,655
20209,252
20239,601
20259,755

All indicators for 9443 Widnau

Next to the value for 9443 Widnau: all postcode areas of Widnau, then of the whole country (totals for counts, weighted averages for rates).

9443 WidnauNational medianHover over or tap a bar to see what it shows.

Housing

Indicator9443 WidnauWidnauSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)4,519––ranked 253 of 3,164
Residential buildings (2026)2,326––ranked 64 of 3,160
Dwellings in buildings built before 1946 (2026)10.9%10.9%23.2%ranked 2,828 of 3,164
Dwellings in buildings built since 2001 (2026)41.0%41.0%23.6%ranked 177 of 3,164
Share of detached houses among residential buildings (2026)80.8%80.8%63.5%ranked 473 of 3,160

Energy

Indicator9443 WidnauWidnauSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)61.1%61.1%56.2%ranked 945 of 3,160
Heat pumps as main heating (2026)37.1%37.1%16.2%ranked 198 of 3,160
Wood heating systems (2026)1.5%1.5%13.5%ranked 3,010 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 2,207 of 3,160

Society

Indicator9443 WidnauWidnauSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)27.5%27.5%29.8%ranked 597 of 2,040

Where is 9443 Widnau?

Frequently asked questions

What is the population of 9443 Widnau (Widnau)?

9443 Widnau has 9,755 residents in 2025. It covers 6.0 km², or 1,623 people per km².

Where is 9443 Widnau?

9443 Widnau (postcode area) is part of Widnau, in St. Gallen.

What is the value of “Share of foreign nationals” in 9443 Widnau?

Share of foreign nationals: 27.5% (2025), ranked 597 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 9443 Widnau?

Dwellings: 4,519 (2026), ranked 253 of 3,164 postcode areas in the country.