Ammerswil
Municipality in the canton of Aargau · FSO no. 4191
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Ammerswil centerThe parcel data lists 555 parcels in Ammerswil, covering 3.2 km². 48.5% of them have at least one registered building. The median parcel measures 952 m².
Key figures
- Parcels
- 555
- 0.2% of the canton
- Total area
- 3.2 km²
- 0.2% of the canton
- Median area
- 952 m²
- Canton: 861 m²
- Switzerland: 881 m²
- Built share
- 48.5%
- Canton: 55.2%
- Switzerland: 51%
- Median year built
- 1993
- Canton: 1986
- Switzerland: 1975
About Ammerswil
Ammerswil ranks 179th of 196 municipalities in the canton of Aargau by number of parcels and holds 0.2% of the canton's parcels on 0.2% of its area. The median parcel in Ammerswil measures 952 m², about the same as the canton median of 861 m². Ammerswil is less built-up than the canton as a whole: 48.5% of its parcels have a building, against 55.2% across the canton.
The zones with the most parcels are Landwirtschaftszone (32.6%), Einfamilienhauszone (16%) and Wohnzone 2 (12.1%). In total, Ammerswil uses 15 zone designations.
According to the building register, Ammerswil has 395 buildings with 341 dwellings, 0.9 dwellings per building on average. Most residential buildings are single-family houses (85.8%). Non-residential buildings account for 34.2% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (42.4% of them), and 26.4% have one from 2001 or later. The median year built, 1993, is more recent than in the canton as a whole (1986).
Built and unbuilt parcels
Built: 269 (48.5%)
Unbuilt: 286 (51.5%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 181 | 1.31 km² | 11.6% |
| Einfamilienhauszone | 89 | 0.08 km² | 80.9% |
| Wohnzone 2 | 67 | 0.04 km² | 85.1% |
| Wald | 66 | 1.50 km² | 1.5% |
| Dorfzone | 61 | 0.06 km² | 88.5% |
| Einfamilienhauszone am Hang | 42 | 0.03 km² | 78.6% |
| Wohn- und Arbeitszone 2 | 20 | 0.02 km² | 100.0% |
| Zone für öffentliche Bauten und Anlagen | 8 | 0.03 km² | 75.0% |
| Magerwiese | 6 | 0.03 km² | 16.7% |
| Speziallandwirtschaftszone ausschliesslich Pflanzenproduktion | 5 | 0.06 km² | 80.0% |
| Grünzone | 4 | < 0.01 km² | 0.0% |
| Kantons- und Nationalstrassen | 3 | 0.03 km² | 0.0% |
| Other zones (3 labels) | 3 | < 0.01 km² | 0.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 395 buildings with 341 dwellings here; 205 of them are single-family houses.
- Buildings
- 395
- Dwellings
- 341
- Single-family houses
- 205
- Building volume
- 405’360 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Ammerswil
geopool works as a GIS and geoportal for Ammerswil. 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.