Neckertal
| Neckertal | |
|---|---|
| Location of Neckertal | |
| Coordinates: 47°20′N 9°8′E / 47.333°N 9.133°E | |
| Country | Switzerland | 
| Canton | St. Gallen | 
| District | Toggenburg | 
| Area | |
|  • Total | 49.03 km2 (18.93 sq mi) | 
| Elevation | 660 m (2,170 ft) | 
| Population  (31 December 2018) | |
|  • Total | 4,035 | 
| • Density | 82/km2 (210/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 9105 Wald/Schönengrund 9115 Dicken 9122 Mogelsberg 9123 Nassen 9125 Brunnadern 9126 Necker 9127 St. Peterzell 9621 Oberhelfenschwil 9633 Hemberg | 
| SFOS number | 3396 | 
| ISO 3166 code | CH-SG | 
| Localities | Brunnadern, St. Peterzell, Mogelsberg, Wald-Schönengrund, Nassen, Hoffeld, Ebersol, Dicken, Dieselbach, Necker, Oberhelfenschwil, Hemberg | 
| Surrounded by | Oberhelfenschwil, Wattwil, Hemberg, Degersheim, Ganterschwil, Lütisburg, Schwellbrunn (AR), Schönengrund (AR) | 
| Website | www SFSO statistics | 
Neckertal is a municipality in the Toggenburg district of the Canton of St. Gallen, Switzerland.
It was formed on January 1, 2009, through the merger of Brunnadern, St. Peterzell, and Mogelsberg. On 1 January 2023 the former municipalities of Hemberg and Oberhelfenschwil merged into the new municipality of Neckertal.