| population | |
| Wahlkreis Rheintal | 68792 |
| Wahlkreis Rorschach | 43928 |
| Wahlkreis Sarganserland | 41490 |
| population | |
| Wahlkreis See-Gaster | 68425 |
| Wahlkreis St. Gallen | 119598 |
| Wahlkreis Toggenburg | 46954 |
| population | |
| Wahlkreis Werdenberg | 36447 |
| Wahlkreis Wil | 76439 |
 | St Gallen Altenrhein Airport | ~ 35.08 km |
 | Hohenems-Dornbirn Airfield | ~ 37.10 km |
 | Friedrichshafen Airport | ~ 50.80 km |
| Zürich Airport | ~ 57.72 km |
| Buochs Airport | ~ 71.46 km |
| Emmen Air Base | ~ 73.54 km |
| Samedan Airport | ~ 93.05 km |
| Memmingen Allgau Airport | ~ 110.67 km |
| Locarno Airport | ~ 124.38 km |
