geopoolOpen the geopool map

Seon

Municipality in the canton of Aargau · FSO no. 4209

Parcel data from Jul 2025, statistics computed on 26 Sept 2026.

Open map at the Seon center

The parcel data lists 2’885 parcels in Seon, covering 9.6 km². 52.9% of them have at least one registered building. The median parcel measures 914 m².

Key figures

Parcels
2’885
1% of the canton
Total area
9.6 km²

0.7% of the canton

Median area
914 m²

Canton: 863 m²

Switzerland: 870 m²

Built share
52.9%

Canton: 55.4%

Switzerland: 52%

Median year built
1985

Canton: 1986

Switzerland: 1976

About Seon

Seon is a municipality in the canton of Aargau and holds 1% of the canton's parcels in the data, on 0.7% of their area. The median parcel in Seon measures 914 m², about the same as the canton median of 863 m². Seon is about as built-up as the canton as a whole: 52.9% of its parcels have a building, against 55.4% across the canton.

The zones with the most parcels are Wohnzone 2 (37.8%), Landwirtschaftszone (31.2%) and Wohn- und Gewerbezone (9.3%). In total, Seon uses 23 zone designations.

According to the building register, Seon has 2’357 buildings with 2’734 dwellings, 1.2 dwellings per building on average. Most residential buildings are single-family houses (75.9%). Non-residential buildings account for 39.8% of all buildings.

Built parcels most often have their newest building from 1981 to 2000 (29.1% of them), and 27.6% have one from 2001 or later. The median year built, 1985, is close to that of the canton as a whole (1986).

Built and unbuilt parcels

Built: 1’527 (52.9%)Unbuilt: 1’358 (47.1%)

Parcels by zone

Parcels by zone, the 12 largest zones first
ZoneParcels
Wohnzone 21’0910.76 km²83.6%
Landwirtschaftszone8994.71 km²8.3%
Wohn- und Gewerbezone2690.28 km²83.3%
Kernzone1590.15 km²78.6%
Wald1372.64 km²4.4%
Arbeitszone II860.30 km²66.3%
Wohnzone 3740.11 km²85.1%
Materialabbau- und Deponiezone Emmet300.20 km²6.7%
Zone für öffentliche Bauten und Anlagen290.11 km²69.0%
Zentrumszone220.02 km²50.0%
Dorfzone Vorder- / Hinterberg210.02 km²61.9%
Dorfzone Retterswil120.02 km²83.3%
Other zones (11 labels)560.30 km²16.1%

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

Building stock

The building register lists 2’357 buildings with 2’734 dwellings here; 1’023 of them are single-family houses.

Buildings
2’357
Dwellings
2’734
Single-family houses
1’023
Building volume
3.3 million m³

Buildings by category

  • Residential1’348
  • Mixed use44
  • Non-residential937
  • Other28

Construction periods

Built parcels by construction period of their newest building
  • Before 1920105
  • 1920-1945119
  • 1946-1960117
  • 1961-1980302
  • 1981-2000445
  • 2001-2010164
  • 2011-2020144
  • 2021 and later114
  • Unknown year17

Maps and geodata for Seon

geopool works as a GIS and geoportal for Seon. 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 Aargau

Open the geopool map