, the population was 49.7% male and 50.3% female. The population was made up of 259 Swiss men (48.8% of the population) and 5 (0.9%) non-Swiss men. There were 261 Swiss women (49.2%) and 6 (1.1%) non-Swiss women. Of the population in the municipality, 153 or about 31.5% were born in Brenzikofen and lived there in 2000. There were 258 or 53.2% who were born in the same canton, while 54 or 11.1% were born somewhere else in Switzerland, and 13 or 2.7% were born outside of Switzerland.