, the population was 50.4% male and 49.6% female. The population was made up of 420 Swiss men (47.1% of the population) and 29 (3.3%) non-Swiss men. There were 410 Swiss women (46.0%) and 3 (0.3%) non-Swiss women. Of the population in the municipality, 279 or about 32.4% were born in Diessbach bei Büren and lived there in 2000. There were 370 or 42.9% who were born in the same canton, while 139 or 16.1% were born somewhere else in Switzerland, and 46 or 5.3% were born outside of Switzerland.