Population
3'882↑0.6%

City · Aargau
Sulz is currently a village and was a municipality in the district of Laufenburg in the canton of Aargau in Switzerland. The late Roman watchtower in Rheinsulz is listed as a heritage site of national significance. On 1 January 2010 the municipality of Sulz merged into Laufenburg.
The rental vacancy rate is 1.29%, 8% above the cantonal average (1.19 %). The municipal tax multiplier (Steuerfuss) is 108%, 4% above the cantonal average (104 %). Median taxable income is CHF 62'500, roughly the Swiss average (CHF 61'929). Sulz AG has 3'882 residents (2025).
Source: Swiss Federal Statistical Office (BFS).