Postcode area · Lenzburg · Aargau
5600 Lenzburg (Lenzburg): key figures
5600 Lenzburg (postcode area in Lenzburg) has 11,980 residents in 2025 across 14.5 km², or 826 people per km². Population: +22.4% between 2015 and 2025.
- 11,980 residents
- 14.5 km²
- 826 people/km²
5600 Lenzburg in numbers
Population
11,980
ranked 164 of 2,275
+22.4%between 2015 and 2025
2015–2025
Population density
826people/km²
ranked 449 of 2,275
Area
14.5km²
ranked 718 of 3,168
Share of foreign nationals
30.3%
ranked 446 of 2,040
Dwellings
6,223
ranked 164 of 3,164
Residential buildings
1,802
ranked 136 of 3,160
Dwellings in buildings built before 1946
19.3%
ranked 2,196 of 3,164
Key points
Nationally, 5600 Lenzburg ranks No. 164 of 2,275 postcode areas.
Population of 5600 Lenzburg over time
Population, 2015–2025
5600 Lenzburg had 9,791 residents in 2015 and 11,980 in 2025.
| Year | Population |
|---|---|
| 2015 | 9,791 |
| 2020 | 11,675 |
| 2023 | 11,841 |
| 2025 | 11,980 |
All indicators for 5600 Lenzburg
Next to the value for 5600 Lenzburg: all postcode areas of Lenzburg, then of the whole country (totals for counts, weighted averages for rates).
5600 LenzburgNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 5600 Lenzburg | Lenzburg | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 6,223 | – | – | ranked 164 of 3,164 | ||
| Residential buildings (2026) | 1,802 | – | – | ranked 136 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 19.3% | 19.3% | 23.2% | ranked 2,196 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 38.8% | 38.8% | 23.6% | ranked 273 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 66.6% | 66.6% | 63.5% | ranked 1,886 of 3,160 |
Energy
| Indicator | 5600 Lenzburg | Lenzburg | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 71.6% | 71.6% | 56.2% | ranked 465 of 3,160 | ||
| Heat pumps as main heating (2026) | 8.0% | 8.0% | 16.2% | ranked 2,243 of 3,160 | ||
| Wood heating systems (2026) | 5.2% | 5.2% | 13.5% | ranked 2,556 of 3,160 | ||
| District heating (2026) | 12.1% | 12.1% | 5.6% | ranked 298 of 3,160 |
Society
| Indicator | 5600 Lenzburg | Lenzburg | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 30.3% | 30.3% | 29.8% | ranked 446 of 2,040 |
Where is 5600 Lenzburg?
Frequently asked questions
What is the population of 5600 Lenzburg (Lenzburg)?
5600 Lenzburg has 11,980 residents in 2025. It covers 14.5 km², or 826 people per km².
Where is 5600 Lenzburg?
5600 Lenzburg (postcode area) is part of Lenzburg, in Aargau.
What is the value of “Share of foreign nationals” in 5600 Lenzburg?
Share of foreign nationals: 30.3% (2025), ranked 446 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 5600 Lenzburg?
Dwellings: 6,223 (2026), ranked 164 of 3,164 postcode areas in the country.