Of the rest of the land, 13.7% is settled (buildings or roads) and the remainder (4.6%) is non-productive (rivers or lakes).

It consists of the villages of Rüthi, Büchel and the Hirschensprung as well as the southern part of the hamlet of Rehag.

The blazon of the municipal coat of arms is Azure a Deer salient Or between two Cliffs Argent issuant from flanks and in chief as many Mullets of the same.

Of the foreign population (as of 2000), 42 are from Germany, 12 are from Italy, 194 are from ex-Yugoslavia, 30 are from Austria, 6 are from Turkey, and 69 are from another country.

The age distribution, as of 2000[update], in Rüthi is; 284 children or 14.4% of the population are between 0 and 9 years old and 283 teenagers or 14.4% are between 10 and 19.

[4] Out of the total population in Rüthi, as of 2000[update], the highest education level completed by 459 people (23.3% of the population) was Primary, while 678 (34.5%) have completed their secondary education, 131 (6.7%) have attended a Tertiary school, and 81 (4.1%) are not in school.

From the 2000 census[update], 1,389 or 70.6% are Roman Catholic, while 214 or 10.9% belonged to the Swiss Reformed Church.

[8] The village of Rüthi is designated as part of the Inventory of Swiss Heritage Sites.

The "Generationenhaus" is a building constructed using regional, sustainable materials, designed to be dismantled with minimal environmental impact after 200 years.