Demographics
Vallon has a population (as of December 2011) of 332. As of 2008, 11.7% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 11.3%. Migration accounted for 8.8%, while births and deaths accounted for 5.6%.
Most of the population (as of 2000) speaks French (233 or 87.3%) as their first language, German is the second most common (29 or 10.9%) and Portuguese is the third (4 or 1.5%). There is 1 person who speaks Italian.
As of 2008, the population was 50.2% male and 49.8% female. The population was made up of 143 Swiss men (45.1% of the population) and 16 (5.0%) non-Swiss men. There were 133 Swiss women (42.0%) and 25 (7.9%) non-Swiss women. Of the population in the municipality, 88 or about 33.0% were born in Vallon and lived there in 2000. There were 54 or 20.2% who were born in the same canton, while 95 or 35.6% were born somewhere else in Switzerland, and 20 or 7.5% were born outside of Switzerland.
The age distribution, as of 2000, in Vallon is; 39 children or 14.6% of the population are between 0 and 9 years old and 35 teenagers or 13.1% are between 10 and 19. Of the adult population, 37 people or 13.9% of the population are between 20 and 29 years old. 41 people or 15.4% are between 30 and 39, 31 people or 11.6% are between 40 and 49, and 40 people or 15.0% are between 50 and 59. The senior population distribution is 14 people or 5.2% of the population are between 60 and 69 years old, 17 people or 6.4% are between 70 and 79, there are 11 people or 4.1% who are between 80 and 89, and there are 2 people or 0.7% who are 90 and older.
As of 2000, there were 105 people who were single and never married in the municipality. There were 128 married individuals, 16 widows or widowers and 18 individuals who are divorced.
As of 2000, there were 108 private households in the municipality, and an average of 2.4 persons per household. There were 29 households that consist of only one person and 9 households with five or more people. In 2000, a total of 104 apartments (92.9% of the total) were permanently occupied, while 7 apartments (6.3%) were seasonally occupied and one apartment was empty. As of 2009, the construction rate of new housing units was 3.2 new units per 1000 residents.
The historical population is given in the following chart:
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