Postcode area · Kölliken · Aargau
5742 Kölliken (Kölliken): key figures
5742 Kölliken (postcode area in Kölliken) has 5,147 residents in 2025 across 8.4 km², or 612 people per km². Population: +20.1% between 2015 and 2025.
- 5,147 residents
- 8.4 km²
- 612 people/km²
5742 Kölliken in numbers
Population
5,147
ranked 436 of 2,275
+20.1%between 2015 and 2025
2015–2025
Population density
612people/km²
ranked 597 of 2,275
Area
8.4km²
ranked 1,388 of 3,168
Share of foreign nationals
26.0%
ranked 685 of 2,040
Dwellings
2,345
ranked 508 of 3,164
Residential buildings
1,273
ranked 285 of 3,160
Dwellings in buildings built before 1946
23.5%
ranked 1,891 of 3,164
Key points
Nationally, 5742 Kölliken ranks No. 436 of 2,275 postcode areas.
Population of 5742 Kölliken over time
Population, 2015–2025
5742 Kölliken had 4,287 residents in 2015 and 5,147 in 2025.
| Year | Population |
|---|---|
| 2015 | 4,287 |
| 2020 | 4,586 |
| 2023 | 5,051 |
| 2025 | 5,147 |
All indicators for 5742 Kölliken
Next to the value for 5742 Kölliken: all postcode areas of Kölliken, then of the whole country (totals for counts, weighted averages for rates).
5742 KöllikenNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 5742 Kölliken | Kölliken | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 2,345 | – | – | ranked 508 of 3,164 | ||
| Residential buildings (2026) | 1,273 | – | – | ranked 285 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 23.5% | 23.5% | 23.2% | ranked 1,891 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 26.4% | 26.4% | 23.6% | ranked 1,130 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 79.6% | 79.6% | 63.5% | ranked 563 of 3,160 |
Energy
| Indicator | 5742 Kölliken | Kölliken | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 73.6% | 73.6% | 56.2% | ranked 367 of 3,160 | ||
| Heat pumps as main heating (2026) | 8.5% | 8.5% | 16.2% | ranked 2,175 of 3,160 | ||
| Wood heating systems (2026) | 9.9% | 9.9% | 13.5% | ranked 2,076 of 3,160 | ||
| District heating (2026) | 0.5% | 0.5% | 5.6% | ranked 1,824 of 3,160 |
Society
| Indicator | 5742 Kölliken | Kölliken | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 26.0% | 26.0% | 29.8% | ranked 685 of 2,040 |
Where is 5742 Kölliken?
Frequently asked questions
What is the population of 5742 Kölliken (Kölliken)?
5742 Kölliken has 5,147 residents in 2025. It covers 8.4 km², or 612 people per km².
Where is 5742 Kölliken?
5742 Kölliken (postcode area) is part of Kölliken, in Aargau.
What is the value of “Share of foreign nationals” in 5742 Kölliken?
Share of foreign nationals: 26.0% (2025), ranked 685 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 5742 Kölliken?
Dwellings: 2,345 (2026), ranked 508 of 3,164 postcode areas in the country.