Population
180'097↑1.4%

District · Basel-Stadt
The rental vacancy rate is 0.95%, 3% above the cantonal average (0.93 %) — a comparatively relaxed market. The municipal tax multiplier (Steuerfuss) is 50%, roughly the cantonal average (49 %). Median taxable income is CHF 61'400, roughly the Swiss average (CHF 61'929). Iselin has 180'097 residents (2025).
Source: Swiss Federal Statistical Office (BFS).