Postcode area · Oberbüren · St. Gallen

9203 Niederwil SG (Oberbüren): key figures

9203 Niederwil SG (postcode area in Oberbüren) has 1,540 residents in 2025 across 8.5 km², or 182 people per km². By population, 9203 Niederwil SG ranks No. 2 of 2 postcode areas in Oberbüren. Population: +12.7% between 2015 and 2025.

  • 1,540 residents
  • 8.5 km²
  • 182 people/km²

9203 Niederwil SG in numbers

Population
1,540
ranked 1,250 of 2,275
+12.7%between 2015 and 2025
2015–2025
Population density
182people/km²
ranked 1,460 of 2,275
Area
8.5km²
ranked 1,372 of 3,168
Share of foreign nationals
10.6%
ranked 1,786 of 2,040
Dwellings
653
ranked 1,582 of 3,164
Residential buildings
400
ranked 1,429 of 3,160
Dwellings in buildings built before 1946
18.1%
ranked 2,294 of 3,164

Key points

By population, 9203 Niederwil SG ranks No. 2 of 2 postcode areas in Oberbüren.

Nationally, 9203 Niederwil SG ranks No. 1,250 of 2,275 postcode areas.

Population of 9203 Niederwil SG over time

1,3501,4001,4501,5001,5502015202020232025
Population, 2015–2025

9203 Niederwil SG had 1,366 residents in 2015 and 1,540 in 2025.

YearPopulation
20151,366
20201,519
20231,506
20251,540

All indicators for 9203 Niederwil SG

Next to the value for 9203 Niederwil SG: all postcode areas of Oberbüren, then of the whole country (totals for counts, weighted averages for rates).

9203 Niederwil SGNational medianHover over or tap a bar to see what it shows.

Housing

Indicator9203 Niederwil SGOberbürenSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)653––ranked 2 of 2ranked 1,582 of 3,164
Residential buildings (2026)400––ranked 2 of 2ranked 1,429 of 3,160
Dwellings in buildings built before 1946 (2026)18.1%14.2%23.2%ranked 1 of 2ranked 2,294 of 3,164
Dwellings in buildings built since 2001 (2026)29.1%32.1%23.6%ranked 2 of 2ranked 880 of 3,164
Share of detached houses among residential buildings (2026)81.2%75.8%63.5%ranked 1 of 2ranked 440 of 3,160

Energy

Indicator9203 Niederwil SGOberbürenSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)31.1%42.2%56.2%ranked 2 of 2ranked 2,524 of 3,160
Heat pumps as main heating (2026)53.9%44.4%16.2%ranked 1 of 2ranked 24 of 3,160
Wood heating systems (2026)14.0%12.1%13.5%ranked 1 of 2ranked 1,737 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 1 of 2ranked 2,207 of 3,160

Society

Indicator9203 Niederwil SGOberbürenSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)10.6%13.7%29.8%ranked 2 of 2ranked 1,786 of 2,040

Where is 9203 Niederwil SG?

Other postcode areas in Oberbüren

Postcode areas near 9203 Niederwil SG

Next in alphabetical order: 9245 Oberbüren

The postcode areas of Oberbüren

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Frequently asked questions

What is the population of 9203 Niederwil SG (Oberbüren)?

9203 Niederwil SG has 1,540 residents in 2025. It covers 8.5 km², or 182 people per km².

Where is 9203 Niederwil SG?

9203 Niederwil SG (postcode area) is part of Oberbüren, in St. Gallen.

What is the value of “Share of foreign nationals” in 9203 Niederwil SG?

Share of foreign nationals: 10.6% (2025), ranked 1,786 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 9203 Niederwil SG?

Dwellings: 653 (2026), ranked 1,582 of 3,164 postcode areas in the country.