
City · Aargau
Seengen is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland. It belongs to the district of Lenzburg and is located in the Seetal valley at the northern end of Lake Hallwil.
The rental vacancy rate is 0.80%, 33% below the cantonal average (1.19 %). The municipal tax multiplier (Steuerfuss) is 72%, 31% below the cantonal average (104 %) — tax-favourable. Median taxable income is CHF 66'400, 7% above the Swiss median (CHF 61'929). Seengen has 4'516 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
5.5 rooms · 135 m²
Seetalstrasse 172, 5705 Hallwil

CHF 1'050'000
6.5 rooms · 145 m²
5704 Egliswil
CHF 1'020'000
6.5 rooms · 188 m²
Engenbühl 67, 5705 Hallwil
CHF 2'708'000
5.5 rooms
5617 Tennwil
CHF 1'150'000
6.5 rooms · 146 m²
Singellohstrasse 10, 5617 Tennwil
Price on request
6.5 rooms · 205 m²
Tennwil, 5617 Tennwil
8 houses are currently listed to buy in Seengen on Homematch. The selection updates throughout the day as agencies publish new listings.
The median asking price in Seengen is around CHF 10'081 per m². For an 80 m² property that's roughly CHF 806'517 — actual prices vary widely by neighbourhood, age and condition.
Seengen is located in the canton of Aargau.
Seengen has approximately 4'516 residents.
The municipal tax multiplier (Steuerfuss) in Seengen is 72% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.