 Of the population in the municipality 1,784 or about 67.8% were born in Orsières and lived there in 2000.There were 361 or 13.7% who were born in the same canton, while 210 or 8.0% were born somewhere else in Switzerland, and 205 or 7.8% were born outside of Switzerland.The age distribution of the population () is children and teenagers (0–19 years old) make up 27.1% of the population, while adults (20–64 years old) make up 56.9% and seniors (over 64 years old) make up 16%.