 Of the population in the municipality, 222 or about 33.8% were born in Arconciel and lived there in 2000.There were 282 or 43.0% who were born in the same canton, while 82 or 12.5% were born somewhere else in Switzerland, and 51 or 7.8% were born outside of Switzerland., children and teenagers (0–19 years old) make up 31.4% of the population, while adults (20–64 years old) make up 58.8% and seniors (over 64 years old) make up 9.8%.