| Gemeinde | 2014 | 2015 | 2016 | 2017 | 2018 | |
| Politische Gemeinde Mörschwil inkl. Schulgemeinde | 90% | 87% | 82% | 79% | 75% | |
| Total ohne Kirchen | 90% | 87% | 82% | 79% | 75% | |
| Kantonssteuer | 115% | 115% | 115% | 115% | 115% | |
| Gesamttotal ohne Kirchen | 205% | 202% | 197% | 194% | 190% | |
| Kirche | 2014 | 2015 | 2016 | 2017 | 2018 | |
| Christkath. Kirchgemeinde | 24% | 24% | 24% | 24% | 24% | |
| Evang. Kirchgemeinde Goldach | 23% | 23% | 23% | 23% | 23% | |
| Kath. Kirchgemeinde Mörschwil | 19% | 17% | 17% | 16% | 16% | |
| Kath. Kirchgemeinde Tübach | 23% | 23% | 23% | 23% | 23% | |