EN

Canton of Solothurn

Canton · 103 municipalities with parcel data

Parcel data from Nov 2026, statistics computed on 29 Oct 2026.

Gaps in the parcel data

One municipality is missing from the current parcel data: Rodersdorf. Its page shows no parcel figures. 8 municipalities have partial parcel data and are marked in the table.

The parcel data lists 138’677 parcels in the canton of Solothurn, covering 790.5 km². 51.6% of them have at least one registered building. The median parcel measures 855 m².

Key figures

Parcels
138’677
3.6% of Switzerland
Total area
790.5 km²
2.1% of Switzerland
Median area
855 m²
Switzerland: 881 m²
Built share
51.6%
Switzerland: 51%
Median year built
1980
Switzerland: 1975

About the canton of Solothurn

The canton of Solothurn ranks 10th of the 25 cantons with largely complete parcel data by number of parcels and 14th by total parcel area. Of its 103 municipalities with parcel data, Grenchen (4’060), Hochwald (4’017) and Solothurn (3’885) have the most parcels, which together hold 8.6% of the canton's parcels in the data.

The median parcel in the canton measures 855 m², about the same as the Swiss median of 881 m². The canton is about as built-up as Switzerland as a whole: 51.6% of its parcels have a building, against 51% nationwide. Among its municipalities with at least 500 parcels, Schönenwerd has the highest share of built parcels (83.6%) and Hochwald the lowest (14.2%). Kienberg has the largest median parcel (1’795 m²) and Olten the smallest (400 m²).

According to the building register, a building in the canton holds 1.3 dwellings on average, against 1.5 across Switzerland. Most residential buildings are single-family houses (72.8%, against 63.6% across Switzerland). Non-residential buildings account for 35.6% of all buildings.

Built parcels most often have their newest building from 1981 to 2000 (25.1% of them), and 21.6% have one from 2001 or later. The median year built, 1980, is close to that of Switzerland as a whole (1975).

Built and unbuilt parcels

Built: 71’569 (51.6%)

Unbuilt: 67’108 (48.4%)

Parcels by zone

Parcels by zone, the 12 largest zones first
ZoneParcelsAreaBuilt
Landwirtschaftszone36’408349.50 km²16.2%
Wald9’384306.93 km²10.8%
Verkehrszone Strasse7’36110.68 km²7.0%
Wohnzone 2-geschossig6’7884.93 km²89.8%
Verkehrsfläche Strasse5’22812.29 km²3.5%
Kernzone4’0273.66 km²84.0%
Wohnzone, 2-geschossig3’8212.88 km²83.0%
Wohnzone zweigeschossig2’7732.10 km²76.7%
Wohnzone 22’3601.70 km²69.0%
2-geschossige Wohnzone1’7981.51 km²91.6%
Wohnzone, 2-geschossig b1’4691.19 km²82.6%
Wohnzone 2G1’4460.98 km²93.8%
Other zones (720 labels)55’81492.10 km²77.6%

Zone names are the municipal designations. A canton lists each wording separately.

Building stock

The building register lists 112’983 buildings with 148’150 dwellings here; 50’113 of them are single-family houses.

Buildings
112’983
Dwellings
148’150
Single-family houses
50’113
Building volume
164.5 million m³

Buildings by category

  • Residential68’849
  • Mixed use2’431
  • Non-residential40’240
  • Other1’463

Construction periods

Built parcels by construction period of their newest building

  • Before 19206’106
  • 1920-19455’976
  • 1946-19607’414
  • 1961-198014’002
  • 1981-200017’976
  • 2001-20107’518
  • 2011-20206’180
  • 2021 and later1’781
  • Unknown year4’616

Maps and geodata for the canton of Solothurn

geopool works as a GIS and geoportal for the canton of Solothurn. 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.

Municipalities in the canton of Solothurn

Other cantons

Open the geopool map