Postcode area · Unterkulm · Aargau
5726 Unterkulm (Unterkulm): key figures
5726 Unterkulm (postcode area in Unterkulm) has 3,735 residents in 2025 across 8.3 km², or 448 people per km². Population: +28.0% between 2015 and 2025.
- 3,735 residents
- 8.3 km²
- 448 people/km²
5726 Unterkulm in numbers
Population
3,735
ranked 632 of 2,275
+28.0%between 2015 and 2025
2015–2025
Population density
448people/km²
ranked 778 of 2,275
Area
8.3km²
ranked 1,400 of 3,168
Share of foreign nationals
34.4%
ranked 270 of 2,040
Dwellings
1,775
ranked 700 of 3,164
Residential buildings
804
ranked 648 of 3,160
Dwellings in buildings built before 1946
19.2%
ranked 2,203 of 3,164
Key points
Nationally, 5726 Unterkulm ranks No. 632 of 2,275 postcode areas.
Population of 5726 Unterkulm over time
Population, 2015–2025
5726 Unterkulm had 2,918 residents in 2015 and 3,735 in 2025.
| Year | Population |
|---|---|
| 2015 | 2,918 |
| 2020 | 3,285 |
| 2023 | 3,514 |
| 2025 | 3,735 |
All indicators for 5726 Unterkulm
Next to the value for 5726 Unterkulm: all postcode areas of Unterkulm, then of the whole country (totals for counts, weighted averages for rates).
5726 UnterkulmNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 5726 Unterkulm | Unterkulm | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 1,775 | – | – | ranked 700 of 3,164 | ||
| Residential buildings (2026) | 804 | – | – | ranked 648 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 19.2% | 19.2% | 23.2% | ranked 2,203 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 35.2% | 35.2% | 23.6% | ranked 444 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 78.5% | 78.5% | 63.5% | ranked 671 of 3,160 |
Energy
| Indicator | 5726 Unterkulm | Unterkulm | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 54.5% | 54.5% | 56.2% | ranked 1,297 of 3,160 | ||
| Heat pumps as main heating (2026) | 13.6% | 13.6% | 16.2% | ranked 1,461 of 3,160 | ||
| Wood heating systems (2026) | 17.3% | 17.3% | 13.5% | ranked 1,492 of 3,160 | ||
| District heating (2026) | 3.5% | 3.5% | 5.6% | ranked 855 of 3,160 |
Society
| Indicator | 5726 Unterkulm | Unterkulm | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 34.4% | 34.4% | 29.8% | ranked 270 of 2,040 |
Where is 5726 Unterkulm?
Frequently asked questions
What is the population of 5726 Unterkulm (Unterkulm)?
5726 Unterkulm has 3,735 residents in 2025. It covers 8.3 km², or 448 people per km².
Where is 5726 Unterkulm?
5726 Unterkulm (postcode area) is part of Unterkulm, in Aargau.
What is the value of “Share of foreign nationals” in 5726 Unterkulm?
Share of foreign nationals: 34.4% (2025), ranked 270 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 5726 Unterkulm?
Dwellings: 1,775 (2026), ranked 700 of 3,164 postcode areas in the country.