Postcode area · Wallbach · Aargau

4323 Wallbach (Wallbach): key figures

4323 Wallbach (postcode area in Wallbach) has 2,039 residents in 2025 across 4.6 km², or 445 people per km². Population: +9.7% between 2015 and 2025.

  • 2,039 residents
  • 4.6 km²
  • 445 people/km²

4323 Wallbach in numbers

Population
2,039
ranked 1,018 of 2,275
+9.7%between 2015 and 2025
2015–2025
Population density
445people/km²
ranked 781 of 2,275
Area
4.6km²
ranked 2,290 of 3,168
Share of foreign nationals
19.8%
ranked 1,127 of 2,040
Dwellings
1,008
ranked 1,138 of 3,164
Residential buildings
656
ranked 854 of 3,160
Dwellings in buildings built before 1946
22.8%
ranked 1,934 of 3,164

Key points

Nationally, 4323 Wallbach ranks No. 1,018 of 2,275 postcode areas.

Population of 4323 Wallbach over time

1,8501,9001,9502,0002,0502015202020232025
Population, 2015–2025

4323 Wallbach had 1,858 residents in 2015 and 2,039 in 2025.

YearPopulation
20151,858
20201,941
20232,031
20252,039

All indicators for 4323 Wallbach

Next to the value for 4323 Wallbach: all postcode areas of Wallbach, then of the whole country (totals for counts, weighted averages for rates).

4323 WallbachNational medianHover over or tap a bar to see what it shows.

Housing

Indicator4323 WallbachWallbachSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)1,008––ranked 1,138 of 3,164
Residential buildings (2026)656––ranked 854 of 3,160
Dwellings in buildings built before 1946 (2026)22.8%22.8%23.2%ranked 1,934 of 3,164
Dwellings in buildings built since 2001 (2026)30.2%30.2%23.6%ranked 804 of 3,164
Share of detached houses among residential buildings (2026)80.5%80.5%63.5%ranked 494 of 3,160

Energy

Indicator4323 WallbachWallbachSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)59.0%59.0%56.2%ranked 1,048 of 3,160
Heat pumps as main heating (2026)23.0%23.0%16.2%ranked 715 of 3,160
Wood heating systems (2026)6.9%6.9%13.5%ranked 2,387 of 3,160
District heating (2026)0.2%0.2%5.6%ranked 2,105 of 3,160

Society

Indicator4323 WallbachWallbachSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)19.8%19.8%29.8%ranked 1,127 of 2,040

Where is 4323 Wallbach?

Frequently asked questions

What is the population of 4323 Wallbach (Wallbach)?

4323 Wallbach has 2,039 residents in 2025. It covers 4.6 km², or 445 people per km².

Where is 4323 Wallbach?

4323 Wallbach (postcode area) is part of Wallbach, in Aargau.

What is the value of “Share of foreign nationals” in 4323 Wallbach?

Share of foreign nationals: 19.8% (2025), ranked 1,127 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 4323 Wallbach?

Dwellings: 1,008 (2026), ranked 1,138 of 3,164 postcode areas in the country.