Aristau
Municipality in the canton of Aargau · FSO no. 4222
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
Open map at the Aristau center
The parcel data lists 923 parcels in Aristau, covering 8.6 km². 48.3% of them have at least one registered building. The median parcel measures 1’079 m².
Key figures
- Parcels
- 923
- 0.3% of the canton
- Total area
- 8.6 km²
0.6% of the canton
- Median area
- 1’079 m²
Canton: 863 m²
Switzerland: 870 m²
- Built share
- 48.3%
Canton: 55.4%
Switzerland: 52%
- Median year built
- 1994
Canton: 1986
Switzerland: 1976
About Aristau
Aristau is a municipality in the canton of Aargau and holds 0.3% of the canton's parcels in the data, on 0.6% of their area. The median parcel in Aristau measures 1’079 m², larger than the canton median of 863 m². Aristau is less built-up than the canton as a whole: 48.3% of its parcels have a building, against 55.4% across the canton.
The zones with the most parcels are Landwirtschaftszone (36.6%), Wohnzone 2b (26.5%) and Dorfzone (15.6%). In total, Aristau uses 14 zone designations.
According to the building register, Aristau has 742 buildings with 749 dwellings, 1.0 dwellings per building on average. Most residential buildings are single-family houses (72.8%). Non-residential buildings account for 39.8% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (34.3% of them), and 40.1% have one from 2001 or later. The median year built, 1994, is more recent than in the canton as a whole (1986).
Built and unbuilt parcels
Built: 446 (48.3%)Unbuilt: 477 (51.7%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 338 | 6.31 km² | 22.2% |
| Wohnzone 2b | 245 | 0.15 km² | 84.5% |
| Dorfzone | 144 | 0.13 km² | 82.6% |
| Wald | 82 | 1.10 km² | 6.1% |
| Wohnzone 2a | 27 | 0.02 km² | 88.9% |
| Kantonsstrasse | 20 | 0.07 km² | 0.0% |
| Naturschutzzone gemäss Reusstaldekret | 17 | 0.48 km² | 0.0% |
| Gewässer | 11 | 0.16 km² | 0.0% |
| Ufer- und Dammschutzzone | 11 | 0.10 km² | 9.1% |
| Übergangszone | 9 | 0.02 km² | 0.0% |
| Zone für öffentliche Bauten und Anlagen | 8 | 0.04 km² | 62.5% |
| Wohn- und Gewerbezone 2 | 6 | 0.02 km² | 83.3% |
| Other zones (2 labels) | 5 | 0.04 km² | 100.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 742 buildings with 749 dwellings here; 305 of them are single-family houses.
- Buildings
- 742
- Dwellings
- 749
- Single-family houses
- 305
- Building volume
- 979’915 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Aristau
geopool works as a GIS and geoportal for Aristau. 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 Aristau
- Building zones and density Aristauin room
- ÖREB extract Aristauin lookup
- Building age Aristauin roots
- Building heights and headroom Aristauin roofs
- Solar potential Aristauin soolar
- Points of interest and accessibility Aristauin scoore
- Tax rates Aristauin taxoo