5426 Lengnau AG (Lengnau (AG)): key figures
5426 Lengnau AG (postcode area in Lengnau (AG)) has 2,928 residents in 2025 across 12.7 km², or 231 people per km². Population: +11.2% between 2015 and 2025.
- 2,928 residents
- 12.7 km²
- 231 people/km²
5426 Lengnau AG in numbers
Key points
Nationally, 5426 Lengnau AG ranks No. 790 of 2,275 postcode areas.
Population of 5426 Lengnau AG over time
5426 Lengnau AG had 2,633 residents in 2015 and 2,928 in 2025.
| Year | Population |
|---|---|
| 2015 | 2,633 |
| 2020 | 2,742 |
| 2023 | 2,907 |
| 2025 | 2,928 |
All indicators for 5426 Lengnau AG
Next to the value for 5426 Lengnau AG: all postcode areas of Lengnau (AG), then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 5426 Lengnau AG | Lengnau (AG) | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 1,319 | – | – | ranked 943 of 3,164 | ||
| Residential buildings (2026) | 766 | – | – | ranked 699 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 16.9% | 16.9% | 23.2% | ranked 2,400 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 30.6% | 30.6% | 23.6% | ranked 761 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 71.5% | 71.5% | 63.5% | ranked 1,427 of 3,160 |
Energy
| Indicator | 5426 Lengnau AG | Lengnau (AG) | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 59.7% | 59.7% | 56.2% | ranked 1,010 of 3,160 | ||
| Heat pumps as main heating (2026) | 10.7% | 10.7% | 16.2% | ranked 1,855 of 3,160 | ||
| Wood heating systems (2026) | 12.2% | 12.2% | 13.5% | ranked 1,869 of 3,160 | ||
| District heating (2026) | 6.6% | 6.6% | 5.6% | ranked 540 of 3,160 |
Society
| Indicator | 5426 Lengnau AG | Lengnau (AG) | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.7% | 17.7% | 29.8% | ranked 1,286 of 2,040 |
Where is 5426 Lengnau AG?
Frequently asked questions
What is the population of 5426 Lengnau AG (Lengnau (AG))?
5426 Lengnau AG has 2,928 residents in 2025. It covers 12.7 km², or 231 people per km².
Where is 5426 Lengnau AG?
5426 Lengnau AG (postcode area) is part of Lengnau (AG), in Aargau.
What is the value of “Share of foreign nationals” in 5426 Lengnau AG?
Share of foreign nationals: 17.7% (2025), ranked 1,286 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 5426 Lengnau AG?
Dwellings: 1,319 (2026), ranked 943 of 3,164 postcode areas in the country.