, the population was 49.7% male and 50.3% female. The population was made up of 198 Swiss men (45.9% of the population) and 16 (3.7%) non-Swiss men. There were 211 Swiss women (49.0%) and 6 (1.4%) non-Swiss women. Of the population in the municipality, 161 or about 42.6% were born in Châtillon and lived there in 2000. There were 133 or 35.2% who were born in the same canton, while 55 or 14.6% were born somewhere else in Switzerland, and 22 or 5.8% were born outside of Switzerland.