Therwil
| Therwil | |
|---|---|
| Location of Therwil | |
| Coordinates: 47°30′N 7°33′E / 47.500°N 7.550°E | |
| Country | Switzerland | 
| Canton | Basel-Landschaft | 
| District | Arlesheim | 
| Area | |
|  • Total | 7.63 km2 (2.95 sq mi) | 
| Elevation | 306 m (1,004 ft) | 
| Population  (31 December 2018) | |
|  • Total | 9,867 | 
| • Density | 1,300/km2 (3,300/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 4106 | 
| SFOS number | 2775 | 
| ISO 3166 code | CH-BL | 
| Surrounded by | Aesch, Biel-Benken, Ettingen, Oberwil, Reinach, Witterswil (SO) | 
| Website | www SFSO statistics | 
Therwil (Swiss German: Därwyl) is a municipality in the district of Arlesheim in the canton of Basel-Country in Switzerland.