Herznach-Ueken
Municipality in the canton of Aargau · FSO no. 4186
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Herznach-Ueken centerThe parcel data lists 1’873 parcels in Herznach-Ueken, covering 11.4 km². 46.4% of them have at least one registered building. The median parcel measures 1’160 m².
Key figures
- Parcels
- 1’873
- 0.6% of the canton
- Total area
- 11.4 km²
- 0.8% of the canton
- Median area
- 1’160 m²
- Canton: 861 m²
- Switzerland: 881 m²
- Built share
- 46.4%
- Canton: 55.2%
- Switzerland: 51%
- Median year built
- -
- Canton: 1986
- Switzerland: 1975
About Herznach-Ueken
Herznach-Ueken ranks 54th of 196 municipalities in the canton of Aargau by number of parcels and holds 0.6% of the canton's parcels on 0.8% of its area. The median parcel in Herznach-Ueken measures 1’160 m², larger than the canton median of 861 m². Herznach-Ueken is less built-up than the canton as a whole: 46.4% of its parcels have a building, against 55.2% across the canton.
The zones with the most parcels are Landwirtschaftszone (32.4%), Dorfkernzone (12.6%) and Wohnzone 2 dicht (11.7%). In total, Herznach-Ueken uses 25 zone designations.
According to the building register, Herznach-Ueken has 1’343 buildings with 1’261 dwellings, 0.9 dwellings per building on average. Most residential buildings are single-family houses (79.2%). Non-residential buildings account for 42.4% of all buildings.
Built and unbuilt parcels
Built: 870 (46.4%)
Unbuilt: 1’003 (53.6%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 606 | 6.99 km² | 16.5% |
| Dorfkernzone | 236 | 0.20 km² | 77.5% |
| Wohnzone 2 dicht | 220 | 0.20 km² | 76.8% |
| Wald | 207 | 3.09 km² | 8.7% |
| Wohnzone 2 aufgelockert | 181 | 0.16 km² | 76.2% |
| Wohnzone 2b | 139 | 0.12 km² | 77.0% |
| Wohnzone 2a | 94 | 0.06 km² | 79.8% |
| Wohn- und Gewerbezone 2 | 38 | 0.04 km² | 81.6% |
| Rebbau-Zone | 23 | 0.08 km² | 4.3% |
| Grünzone | 19 | < 0.01 km² | 21.1% |
| Kantonsstrasse | 17 | 0.06 km² | 23.5% |
| Zone für öffentliche Bauten und Anlagen | 17 | 0.07 km² | 64.7% |
| Other zones (13 labels) | 76 | 0.31 km² | 38.2% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 1’343 buildings with 1’261 dwellings here; 589 of them are single-family houses.
- Buildings
- 1’343
- Dwellings
- 1’261
- Single-family houses
- 589
- Building volume
- 2.8 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Herznach-Ueken
geopool works as a GIS and geoportal for Herznach-Ueken. 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.