Alt St. Johann
| Alt St. Johann | |
|---|---|
| Location of Alt St. Johann | |
| Coordinates: 47°11′N 9°17′E / 47.183°N 9.283°E | |
| Country | Switzerland | 
| Canton | St. Gallen | 
| District | Toggenburg | 
| Government | |
| • Mayor | Rolf Züllig | 
| Area | |
|  • Total | 5,310 km2 (2,050 sq mi) | 
| Elevation | 895 m (2,936 ft) | 
| Population  (Dec 2009) | |
|  • Total | 1,466 | 
| • Density | 0.28/km2 (0.72/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 9656 | 
| SFOS number | 3351 | 
| ISO 3166 code | CH-SG | 
| Surrounded by | Amden, Grabs, Nesslau-Krummenau, Quarten, Stein, Walenstadt, Wildhaus | 
| Website | www SFSO statistics | 
Alt St. Johann is a village in the Toggenburg region, since 2010 part of the municipality Wildhaus-Alt St.Johann in the canton of St. Gallen in Switzerland (the former municipalities of Alt St. Johann and Wildhaus merged on 1 January 2010).