Rieden is a former municipality in the Wahlkreis (constituency) of See-Gaster in the canton of St. Gallen in Switzerland.

Of the rest of the land, 3% is settled (buildings or roads) and the remainder (0.7%) is non-productive (rivers or lakes).

[3] The former municipality is located in the See-Gaster Wahlkreis on a terrace above and east of the Linth valley.

The blazon of the municipal coat of arms is Argent, St. Magnus statant clad as monk and cloaked Sable haloed Gules holding in dexter a Staff topped with a Cross Sable.

Of the foreign population, (as of 2000[update]), 15 are from Germany, 2 are from Italy, 5 are from ex-Yugoslavia, 2 are from Austria, and 5 are from another country.

[3] Out of the total population in Rieden, as of 2000[update], the highest education level completed by 154 people (21.8% of the population) was Primary, while 248 (35.1%) have completed their secondary education, 89 (12.6%) have attended a Tertiary school, and 27 (3.8%) are not in school.

[10] From the 2000 census[update], 462 or 65.3% are Roman Catholic, while 134 or 19.0% belonged to the Swiss Reformed Church.