Valchava has an area,, of. Of this area, 46% is used for agricultural purposes, while 33.9% is forested. Of the rest of the land, 1.4% is settled and the remainder is non-productive. The village is located in the Val Müstair sub-district of the Inndistrict. It consists of the linear village of Valchava above Santa Maria Val Müstair and the alpine settlements of Chaunt and Valpaschun. Until 1943 Valchava was known as Valcava.
Demographics
Valchava has a population of 203, of which 3.4% are foreign nationals. Over the last 10 years the population has decreased at a rate of -12%. , the gender distribution of the population was 51.0% male and 49.0% female. The age distribution,, in Valchava is; 19 children or 9.4% of the population are between 0 and 9 years old. 19 teenagers or 9.4% are 10 to 14, and 12 teenagers or 5.9% are 15 to 19. Of the adult population, 20 people or 9.9% of the population are between 20 and 29 years old. 31 people or 15.3% are 30 to 39, 30 people or 14.9% are 40 to 49, and 25 people or 12.4% are 50 to 59. The seniorpopulation distribution is 24 people or 11.9% of the population are between 60 and 69 years old, 16 people or 7.9% are 70 to 79, there are 5 people or 2.5% who are 80 to 89, and there is 1 person who is 90 to 99. In the 2007 federal election the most popular party was the SVP which received 50.4% of the vote. The next three most popular parties were the SPS, the CVP and the FDP. In Valchava about 45.6% of the population have completed either non-mandatory upper secondary education or additional higher education. Valchava has an unemployment rate of 0.33%. , there were 15 people employed in the primary economic sector and about 8 businesses involved in this sector. 14 people are employed in the secondary sector and there are 5 businesses in this sector. 24 people are employed in the tertiary sector, with 7 businesses in this sector. The historical population is given in the following table:
year
population
1850
208
1900
218
1950
252
2000
202
Languages
Most of the population speaks Rhaeto-Romance, with German being second most common and Italian being third. The Romansh speaking population speaks the Jauer dialect. In 1880 about 69% of the population spoke Romansh as a first language. In 1910 it was 72%, in 1941 it was 75% and in 1970 it was 90%. In 1990 about 92% understood Romansh even if it wasn't their first language, and in 2000 it was also 92%.
