Bannwil
| Bannwil | |
|---|---|
| Historic Bannwil train station | |
| Location of Bannwil | |
| Coordinates: 47°14′N 7°44′E / 47.233°N 7.733°E | |
| Country | Switzerland | 
| Canton | Bern | 
| District | Oberaargau | 
| Area | |
|  • Total | 4.8 km2 (1.9 sq mi) | 
| Elevation | 434 m (1,424 ft) | 
| Population  (31 December 2018) | |
|  • Total | 669 | 
| • Density | 140/km2 (360/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 4913 | 
| SFOS number | 0323 | 
| ISO 3166 code | CH-BE | 
| Surrounded by | Aarwangen, Berken, Graben, Niederbipp, Oberbipp, Schwarzhäusern, Walliswil bei Niederbipp | 
| Website | www SFSO statistics | 
Bannwil is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.