, the population was 51.9% male and 48.1% female. The population was made up of 158 Swiss men (50.3% of the population) and 5 (1.6%) non-Swiss men. There were 147 Swiss women (46.8%) and 4 (1.3%) non-Swiss women. 2.5% of the population were resident foreign nationals. Of the population in the municipality, 224 or about 79.7% were born in Blatten and lived there in 2000. There were 36 or 12.8% who were born in the same canton, while 19 or 6.8% were born somewhere else in Switzerland, and 1 or 0.4% were born outside of Switzerland.