, the population was 50.9% male and 49.1% female. The population was made up of 263 Swiss men (46.1% of the population) and 27 (4.7%) non-Swiss men. There were 260 Swiss women (45.6%) and 20 (3.5%) non-Swiss women. Of the population in the municipality, 269 or about 44.0% were born in Siselen and lived there in 2000. There were 227 or 37.1% who were born in the same canton, while 58 or 9.5% were born somewhere else in Switzerland, and 46 or 7.5% were born outside of Switzerland.