 Of the population in the municipality, 190 or about 38.9% were born in Collonges and lived there in 2000.There were 133 or 27.3% who were born in the same canton, while 78 or 16.0% were born somewhere else in Switzerland, and 77 or 15.8% were born outside of Switzerland., children and teenagers (0–19 years old) make up 24.4% of the population, while adults (20–64 years old) make up 60.2% and seniors (over 64 years old) make up 15.4%.