Birrwil
Municipality in the canton of Aargau · FSO no. 4132
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
Open map at the Birrwil center
The parcel data lists 1’282 parcels in Birrwil, covering 5.5 km². 33.5% of them have at least one registered building. The median parcel measures 1’320 m².
Key figures
- Parcels
- 1’282
- 0.4% of the canton
- Total area
- 5.5 km²
0.4% of the canton
- Median area
- 1’320 m²
Canton: 863 m²
Switzerland: 870 m²
- Built share
- 33.5%
Canton: 55.4%
Switzerland: 52%
- Median year built
- 1974
Canton: 1986
Switzerland: 1976
About Birrwil
Birrwil is a municipality in the canton of Aargau and holds 0.4% of the canton's parcels in the data, on 0.4% of their area. The median parcel in Birrwil measures 1’320 m², larger than the canton median of 863 m². Birrwil is less built-up than the canton as a whole: 33.5% of its parcels have a building, against 55.4% across the canton.
The zones with the most parcels are Landwirtschaftszone (32.8%), Perimeter des Hallwilersee-Schutzdekretes (18.6%) and Wald (15.8%). In total, Birrwil uses 20 zone designations.
According to the building register, Birrwil has 713 buildings with 798 dwellings, 1.1 dwellings per building on average. Most residential buildings are single-family houses (64.3%). Non-residential buildings account for 44.5% of all buildings.
Built parcels most often have their newest building from 1961 to 1980 (21.6% of them), and 23.7% have one from 2001 or later. The median year built, 1974, is earlier than in the canton as a whole (1986).
Built and unbuilt parcels
Built: 430 (33.5%)Unbuilt: 852 (66.5%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 421 | 1.57 km² | 17.3% |
| Perimeter des Hallwilersee-Schutzdekretes | 238 | 0.54 km² | 18.1% |
| Wald | 203 | 0.75 km² | 1.0% |
| Ein- und Zweifamilienhauszone | 151 | 0.15 km² | 82.1% |
| Wohn- und Gewerbezone 2 Geschosse | 70 | 0.10 km² | 80.0% |
| Wohnzone 2 Geschosse | 67 | 0.09 km² | 77.6% |
| Wohnzone 3 Geschosse | 42 | 0.04 km² | 76.2% |
| Kernzone | 18 | 0.01 km² | 77.8% |
| Dorfzone | 15 | 0.02 km² | 80.0% |
| Kantonsstrasse | 12 | 0.04 km² | 8.3% |
| Magere Fettwiese | 10 | 0.03 km² | 20.0% |
| Spezialzone Färbi | 10 | 0.02 km² | 60.0% |
| Other zones (8 labels) | 25 | 2.18 km² | 52.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 713 buildings with 798 dwellings here; 236 of them are single-family houses.
- Buildings
- 713
- Dwellings
- 798
- Single-family houses
- 236
- Building volume
- 822’773 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Birrwil
geopool works as a GIS and geoportal for Birrwil. 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.
Explore more data for Birrwil
- Building zones and density Birrwilin room
- ÖREB extract Birrwilin lookup
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- Building heights and headroom Birrwilin roofs
- Solar potential Birrwilin soolar
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- Tax rates Birrwilin taxoo