Bünzen
Municipality in the canton of Aargau · FSO no. 4229
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Bünzen centerThe parcel data lists 918 parcels in Bünzen, covering 5.8 km². 41.1% of them have at least one registered building. The median parcel measures 1’049 m².
Key figures
- Parcels
- 918
- 0.3% of the canton
- Total area
- 5.8 km²
- 0.4% of the canton
- Median area
- 1’049 m²
- Canton: 861 m²
- Switzerland: 881 m²
- Built share
- 41.1%
- Canton: 55.2%
- Switzerland: 51%
- Median year built
- 1989
- Canton: 1986
- Switzerland: 1975
About Bünzen
Bünzen ranks 145th of 196 municipalities in the canton of Aargau by number of parcels and holds 0.3% of the canton's parcels on 0.4% of its area. The median parcel in Bünzen measures 1’049 m², larger than the canton median of 861 m². Bünzen is less built-up than the canton as a whole: 41.1% of its parcels have a building, against 55.2% across the canton.
The zones with the most parcels are Wald (26.9%), Landwirtschaftszone (24.6%) and Dorfzone Bünzen (12%). In total, Bünzen uses 18 zone designations.
According to the building register, Bünzen has 662 buildings with 576 dwellings, 0.9 dwellings per building on average. Most residential buildings are single-family houses (75.4%). Non-residential buildings account for 45.2% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (32.4% of them), and 32.4% have one from 2001 or later. The median year built, 1989, is close to that of the canton as a whole (1986).
Built and unbuilt parcels
Built: 377 (41.1%)
Unbuilt: 541 (58.9%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Wald | 247 | 1.62 km² | 1.6% |
| Landwirtschaftszone | 226 | 3.65 km² | 13.7% |
| Dorfzone Bünzen | 110 | 0.06 km² | 70.0% |
| Wohnzone 1, am Hang | 108 | 0.08 km² | 84.3% |
| Wohnzone 2 Geschosse | 107 | 0.08 km² | 86.0% |
| Wohn- + Gewerbezone 2 Geschosse | 37 | 0.03 km² | 91.9% |
| Dorfzone Waldhäusern | 29 | 0.03 km² | 79.3% |
| Kantonsstrasse | 13 | 0.05 km² | 7.7% |
| Wohnzone 3 Geschosse | 11 | 0.01 km² | 72.7% |
| Zone für öffentliche Bauten | 9 | 0.03 km² | 44.4% |
| Arbeitszone | 6 | 0.04 km² | 50.0% |
| Wohn- und Gewerbezone | 6 | < 0.01 km² | 83.3% |
| Other zones (6 labels) | 9 | 0.08 km² | 44.4% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 662 buildings with 576 dwellings here; 263 of them are single-family houses.
- Buildings
- 662
- Dwellings
- 576
- Single-family houses
- 263
- Building volume
- 1 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Bünzen
geopool works as a GIS and geoportal for Bünzen. Its parcel map shows the parcels of the official cadastral survey with their area, their zone from the municipal zoning plan and their buildings, on swisstopo maps. Building zones, the property map and the geodata of each parcel open on the geopool map. The ÖREB extract of a parcel (public-law restrictions on landownership) is in lookup.