[1] Of the foreign population, (as of 2000[update]), 661 are from Germany, 908 are from Italy, 3,006 are from ex-Yugoslavia, 567 are from Austria, 390 are from Turkey, and 1,124 are from another country.

[3] The age distribution, as of 2000[update], in the Werdenberg Wahlkreis is; 4,097 children or 12.4% of the population are between 0 and 9 years old and 4,662 teenagers or 14.1% are between 10 and 19.

[3] In 2000[update] there were 4,134 persons (or 12.5% of the population) who were living alone in a private dwelling.

Out of the total population in Werdenberg Wahlkreis, as of 2000[update], the highest education level completed by 7,405 people (22.4% of the population) was Primary, while 11,881 (36.0%) have completed Secondary, 3,269 (9.9%) have attended a Tertiary school, and 1,533 (4.6%) are not in school.

[4] From the 2000 census[update], 11,012 or 33.4% are Roman Catholic, while 14,888 or 45.1% belonged to the Swiss Reformed Church.