Seewen
Municipality in the canton of Solothurn · FSO no. 2480
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Seewen centerThe parcel data lists 3’348 parcels in Seewen, covering 16.3 km². 17.9% of them have at least one registered building. The median parcel measures 1’546 m².
Key figures
- Parcels
- 3’348
- 2.4% of the canton
- Total area
- 16.3 km²
- 2.1% of the canton
- Median area
- 1’546 m²
- Canton: 855 m²
- Switzerland: 881 m²
- Built share
- 17.9%
- Canton: 51.6%
- Switzerland: 51%
- Median year built
- 1976
- Canton: 1980
- Switzerland: 1975
About Seewen
Seewen ranks 5th of 104 municipalities in the canton of Solothurn by number of parcels and holds 2.4% of the canton's parcels in the data, on 2.1% of their area. The median parcel in Seewen measures 1’546 m², larger than the canton median of 855 m². Seewen is less built-up than the canton as a whole: 17.9% of its parcels have a building, against 51.6% across the canton.
The zones with the most parcels are Landwirtschaftszone (59.7%), Wald (17%) and Wohnzone 2-geschossig (10.6%). In total, Seewen uses 20 zone designations.
According to the building register, Seewen has 870 buildings with 593 dwellings, 0.7 dwellings per building on average. Most residential buildings are single-family houses (79.2%). Non-residential buildings account for 45.9% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (27% of them), and 20.5% have one from 2001 or later. The median year built, 1976, is close to that of the canton as a whole (1980).
Built and unbuilt parcels
Built: 600 (17.9%)
Unbuilt: 2’748 (82.1%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 1’998 | 9.02 km² | 8.0% |
| Wald | 569 | 6.47 km² | 3.7% |
| Wohnzone 2-geschossig | 354 | 0.26 km² | 73.4% |
| Kernzone 2-geschossig | 169 | 0.08 km² | 72.2% |
| Verkehrsfläche Strasse | 99 | 0.20 km² | 0.0% |
| Verkehrszone Strasse | 69 | 0.06 km² | 0.0% |
| Hofstattzone | 22 | 0.02 km² | 31.8% |
| Gewässer | 15 | 0.09 km² | 0.0% |
| Reservezone Wohnzone, Mischzone, Kernzone und Zentrumszone | 14 | 0.02 km² | 14.3% |
| Reine Gewerbezone | 12 | 0.02 km² | 91.7% |
| Gewerbezone mit Wohnanteil | 7 | 0.01 km² | 100.0% |
| Zone für öffentliche Bauten und Anlagen | 7 | 0.02 km² | 71.4% |
| Other zones (8 labels) | 13 | 0.04 km² | 46.2% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 870 buildings with 593 dwellings here; 343 of them are single-family houses.
- Buildings
- 870
- Dwellings
- 593
- Single-family houses
- 343
- Building volume
- 843’092 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Seewen
geopool works as a GIS and geoportal for Seewen. 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.
More municipalities in the canton of Solothurn
- Balsthal2’555 parcels
- Biberist2’783 parcels
- Buchegg3’296 parcels
- Dornach2’697 parcels
- Erlinsbach (SO)2’529 parcels
- Grenchen4’060 parcels
- Hochwald4’017 parcels
- Kleinlützel2’991 parcels
- Nuglar-St. Pantaleon3’013 parcels
- Nunningen2’967 parcels
- Olten3’631 parcels
- Solothurnpartial data3’885 parcels